If 5M=3N, then M:N is____

If 5M=3N, then M:N is____
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If 5M=3N, then M:N is____
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If `X""=""{4^n-3n-1"":""n in N}""a n d""Y""=""{9(n-1)"": n in N}` , where N is the set of natural numbers, then `XuuY` is equal to (1) N (2) Y - X (3)

Description : If `X""=""{4^n-3n-1"":""n in N}""a n d""Y""=""{9(n-1)"": n in N}` , where N is the set of natural numbers, then `XuuY` is equal to (1) N (2) Y - X (3)

Last Answer : If `X""=""{4^n-3n-1"":""n in N}""a n d""Y""=""{9(n-1)"": n in N}` , where N is the set of natural numbers ... 3) X (4) Y A. `X` B. `Y` C. `N` D. `Y-X`

If `A=(x : x=4n+1,nle5,n in N}` and `B={3n : n le 8, n in N}`, then find `(A-(A-B))`.

Description : If `A=(x : x=4n+1,nle5,n in N}` and `B={3n : n le 8, n in N}`, then find `(A-(A-B))`.

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If input frequency of a full wave rectifier be n, then output frequency would be - (1) n/2 (2) n (3) 3n/2 (4) 2n

Description : If input frequency of a full wave rectifier be n, then output frequency would be - (1) n/2 (2) n (3) 3n/2 (4) 2n

Last Answer : (4) 2n Explanation: The frequency of a full-wave rectifier is double that of the input, if the input is a sine wave. A full-wave rectifier converts the whole of the input waveform to one ... both polarities of the input waveform to DC (direct current), and yields a higher mean output voltage.

A beam of uniform rectangular section 200 mm wide and 300mm deep is simply supported at its ends.It carries a uniformly distributed load of 9KN/m run over the entire span of 5m.If E=1×104 N/mm2, what is the maximum deflection? a.14.26 mm b.17.28 mm c.18.53 mm d.16.27 mm.

Description : A beam of uniform rectangular section 200 mm wide and 300mm deep is simply supported at its ends.It carries a uniformly distributed load of 9KN/m run over the entire span of 5m.If E=1×104 N/mm2, what is the maximum deflection? a.14.26 mm b.17.28 mm c.18.53 mm d.16.27 mm.

Last Answer : d.16.27 mm.

If `(A + B^(T))^(T)` is a matrix of order `4 xx 3`, then the order of matrix B is____.

Description : If `(A + B^(T))^(T)` is a matrix of order `4 xx 3`, then the order of matrix B is____.

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Prove using mathematical induction that for all n≥1. 1+4+7+....+(3n-2)=n(3n-1)÷2

Description : Prove using mathematical induction that for all n≥1. 1+4+7+....+(3n-2)=n(3n-1)÷2

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What is -3n plus n 2?

Description : What is -3n plus n 2?

Last Answer : Unfortunately, the browser used for posting questions is hopelessly inadequate for mathematics: it strips away most symbols. We cannot see what operator comes before the last 2. It makes little sense for me to try and guess - I may as well make up my own questions and answer them!

Overlap in a leaf spring is (a) L/n (b) L/2n (c) L/3n (d) None

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................... comparisons are necessary in the worst case to find both the maximum and minimum of n numbers. (A) 2n-2 (B) n + floor(lg n) - 2 (C) floor(3n/2) - 2 (D) 2 lg n – 2

Description : ................... comparisons are necessary in the worst case to find both the maximum and minimum of n numbers. (A) 2n-2 (B) n + floor(lg n) - 2 (C) floor(3n/2) - 2 (D) 2 lg n – 2

Last Answer : (C) floor(3n/2) - 2

If `5m + 18 = 8`, then m = _____

Description : If `5m + 18 = 8`, then m = _____

Last Answer : If `5m + 18 = 8`, then m = _____

If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are (A) 3.0 m and 1.5 m (B) 1.5 m and 3.0 m (C) 3.0 m and 3.0 m (D) 1.5 m and 1.5m

Description : If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are (A) 3.0 m and 1.5 m (B) 1.5 m and 3.0 m (C) 3.0 m and 3.0 m (D) 1.5 m and 1.5 m

Last Answer : Answer: Option C

A this usual rowing rate, Mohit can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24 miles round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour? A.2.5m/hr B.4 m/hr C.8/3 m/hr D. 5/3m/hr

Description : A this usual rowing rate, Mohit can travel 12 miles downstream in a certain river in 6 hours less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for his 24 miles round trip, ... current in miles per hour? A.2.5m/hr B.4 m/hr C.8/3 m/hr D. 5/3m/hr

Last Answer : Answer-C Basic Formula: Speed of the stream = ½ (a-b) km/hr Explanation: Let the speed in still water be x m/hr Speed of stream be y m/hr Then, speed upstream = x-y m/hr and Speed downstream = x+y m/hr 12/x-y - ... 1] 3y^2 = 8 y so, y = 8/3 speed of the current = 8/3 m/hr = 2 (2/3) m/hr

Calculate the force acting on the each pin in flexible coupling if torque transmitted is 397N-m and PCD=120mm with number of pins 6. a) 1400.3N b) 1102.8N c) 1320.3N d) None of the listed

Description : Calculate the force acting on the each pin in flexible coupling if torque transmitted is 397N-m and PCD=120mm with number of pins 6. a) 1400.3N b) 1102.8N c) 1320.3N d) None of the listed

Last Answer : b) 1102.8N

If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. a) 51234.4N b) 45968.3N c) 41666.7N d) None of the listed

Description : If 8 bolts are emplaced in a clamp coupling with shaft diameter 80mm d, calculate the tensile force on each bolt if coefficient of friction is 0.3 and torque transmitted is 4000N-m. a) 51234.4N b) 45968.3N c) 41666.7N d) None of the listed

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The main source of energy during muscle contraction is____

Description : The main source of energy during muscle contraction is____

Last Answer : The main source of energy during muscle contraction is____

Store house of `Ca^(+2)` in muscle fibre is____

Description : Store house of `Ca^(+2)` in muscle fibre is____

Last Answer : Store house of `Ca^(+2)` in muscle fibre is____

Store house of `Ca^(+2)` in muscle fibre is____

Description : Store house of `Ca^(+2)` in muscle fibre is____

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The number of moles of Maganate ion used in oxidation of cyclopentene to cyclopent (1.2) diol is____

Description : The number of moles of Maganate ion used in oxidation of cyclopentene to cyclopent (1.2) diol is____

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Present rate of Senior citizens saving scheme account is____ payable quarterly. a) 10% b) 9.3% c) 8.5 % d) 9.5%

Description : Present rate of Senior citizens saving scheme account is____ payable quarterly. a) 10% b) 9.3% c) 8.5 % d) 9.5%

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Vitamin C richest fruit Is____? a) aonla b) barbados cherry c) lemon d) guava

Description : Vitamin C richest fruit Is____? a) aonla b) barbados cherry c) lemon d) guava

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The number of vibrational modes for CH4 molecule is____. (a) 9 (b) 10 (c) 8 (d) 7

Description : The number of vibrational modes for CH4 molecule is____. (a) 9 (b) 10 (c) 8 (d) 7

Last Answer : (a) 9

Measuring unit of capacity of hard drive is____.

Description : Measuring unit of capacity of hard drive is____.  a) GB b) GHz c) MHz d) None of the above

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During vibrations any machine has unbalanced force of 392N and if it transmitted force of magnitude 58.3N then transmissibility value is A 0.481 B 0.822 C 0.148 D 0.296

Description : During vibrations any machine has unbalanced force of 392N and if it transmitted force of magnitude 58.3N then transmissibility value is A 0.481 B 0.822 C 0.148 D 0.296

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A current of `10` ampere is flowing in a wire of length `1.5m`. A force of `15 N` acts on it when it is placed in a uniform magnetic field of `2` tesl

Description : A current of `10` ampere is flowing in a wire of length `1.5m`. A force of `15 N` acts on it when it is placed in a uniform magnetic field of `2` tesl

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Find (i) the lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5m high. -Maths 9th

Description : Find (i) the lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5m high. -Maths 9th

Last Answer : Height of cylindrical tank, h = 4.5m Radius of the circular end , r = (4.2/2)m = 2.1m (i) the lateral or curved surface area of cylindrical tank is 2πrh = 2 (22/7) 2.1 4.5 m2 = (44 0.3 ... ) = 87.12 m2 This implies, S = 95.04 m2 Therefore, 95.04m2 steel was used in actual while making such a tank.

The number of positive integral values of m satisfying the inequalities 8m + 35 > 75 and 5m + 18 < 53 is -Maths 9th

Description : The number of positive integral values of m satisfying the inequalities 8m + 35 > 75 and 5m + 18 < 53 is -Maths 9th

Last Answer : answer:

2.88 m + ___= 5m?

Description : 2.88 m + ___= 5m?

Last Answer : 7.88

The volume (in ml) of 0.5 M NaOH required for the complete reaction with 150 ml of 1.5M `H_(3)PO_(3)` solution is

Description : The volume (in ml) of 0.5 M NaOH required for the complete reaction with 150 ml of 1.5M `H_(3)PO_(3)` solution is

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The volume of 3 M `Ba(OH)^(2)` solution required to neutralize completely 120 mL of 1.5M `H_(3)PO_(4)` solution is :

Description : The volume of 3 M `Ba(OH)^(2)` solution required to neutralize completely 120 mL of 1.5M `H_(3)PO_(4)` solution is :

Last Answer : The volume of 3 M `Ba(OH)^(2)` solution required to neutralize completely 120 mL of 1.5M `H_(3)PO_(4)` solution is :

A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intens

Description : A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` at a distance of 5m. Calculate (i) its luminous intens

Last Answer : A frosted bulb which may be taken as an isotropic source, gives as illumination of `8lm//m^(2)` ... and (ii) the total luminous flux from the blub.

A conducting stick of length 2L and mass m is moving down a smooth inclined plane of inclination `60^(@)` with constant speed 5m/s. A current 2A is fl

Description : A conducting stick of length 2L and mass m is moving down a smooth inclined plane of inclination `60^(@)` with constant speed 5m/s. A current 2A is fl

Last Answer : A conducting stick of length 2L and mass m is moving down a smooth inclined plane of inclination `60^(@)` with ... )/(4L)` D. `(sqrt(3)mg)/(2L)`

Afety regulations say that there should be at least 12m3 for each person in a room where people sleep.A room is 12m long,15 m wide and 5m high.What is the maximum number of people who can sleep in it safely?

Description : Afety regulations say that there should be at least 12m3 for each person in a room where people sleep.A room is 12m long,15 m wide and 5m high.What is the maximum number of people who can sleep in it safely?

Last Answer : length room =12m breadth room =15m height room =5m volume =LxBxH 12X15X5 =900 if 12 m3 space for each person then total number of people =900m2/12m3 = 75 people

Which one of the following parameters is accurate for DGPS? (A) Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station (B) Positional accuracies ~ 2 - 5m if rover is less than 2-5 fm from the reference station (C) Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station (D) Positional accuracies ~ 5 - 10 m if rover is less than 25 km

Description : Which one of the following parameters is accurate for DGPS? (A) Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station (B) Positional accuracies ~ 2 - 5m if rover is ... -10 km from reference station (D) Positional accuracies ~ 5 - 10 m if rover is less than 25 km

Last Answer : Answer: Option A

If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept (A) 4.5 m (B) 4.0 m (C) 3.5 m (D) 3.0 m

Description : If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept (A) 4.5 m (B) 4.0 m (C) 3.5 m (D) 3.0 m

Last Answer : Answer: Option A

If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is (A) (a + m + b)/6 (B) (a + 2m + b)/6 (C) (a + 4m + b)/6 (D) (a + 5m + b)/6

Description : If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is (A) (a + m + b)/6 (B) (a + 2m + b)/6 (C) (a + 4m + b)/6 (D) (a + 5m + b)/6

Last Answer : (C) (a + 4m + b)/6

A certain fluid is flowing in a 0.5m x 0.3 channel at the rate of 3 m/s and has a specific volume of 0.012 m³/kg. Determined the mass of water flowing in kg/s.  a. 267 kg/s  b. 378 kg/s  c. 375 kg/s  d. 456.5 kg/s m = Aν/V

Description : A certain fluid is flowing in a 0.5m x 0.3 channel at the rate of 3 m/s and has a specific volume of 0.012 m³/kg. Determined the mass of water flowing in kg/s.  a. 267 kg/s  b. 378 kg/s  c. 375 kg/s  d. 456.5 kg/s m = Aν/V

Last Answer : 375 kg/s

A flag staff 17.5 m high casts a shadow of length 40.25m. What will be the height of a building, which casts a shadow of length 28.75m under similar conditions? a) 14m b) 11.4m c) 13.5m d) 12.5 m

Description : A flag staff 17.5 m high casts a shadow of length 40.25m. What will be the height of a building, which casts a shadow of length 28.75m under similar conditions? a) 14m b) 11.4m c) 13.5m d) 12.5 m

Last Answer : d) 12.5 m

To prevent segregation the concrete should to be thrown from a height of more than. (a) ½ m (b) 1m (c) 1.5m (d) 2m

Description : To prevent segregation the concrete should to be thrown from a height of more than. (a) ½ m (b) 1m (c) 1.5m (d) 2m

Last Answer : (b) 1m

A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data

Description : A uniformly distributed load of 20 kN/m acts on a simply supported beam of rectangular cross section of width 20 mm and depth 60 mm. What is the maximum bending stress acting on the beam of 5m? a. 5030 Mpa b. 5208 Mpa c. 6600 Mpa d. Insufficient data

Last Answer : b. 5208 Mpa

The minimum cushion specified over an arch bridge is -- a) 0.5m b) 0.9m c) 1.0m* d) 1.2 m

Description : The minimum cushion specified over an arch bridge is -- a) 0.5m b) 0.9m c) 1.0m* d) 1.2 m

Last Answer : c) 1.0m*

Height gauges should be located at a minimum distance of….. from gate post. (a) 5 m (b) 7.5m (c) 8m* (d)10m

Description : Height gauges should be located at a minimum distance of….. from gate post. (a) 5 m (b) 7.5m (c) 8m* (d)10m

Last Answer : (c) 8m*

For taking track measurement at accident site stations shall be marked at …….. Apart. (a) 1 m (b) 2m (c) 3m* (d) 5m

Description : For taking track measurement at accident site stations shall be marked at …….. Apart. (a) 1 m (b) 2m (c) 3m* (d) 5m

Last Answer : (c) 3m*

A train crosses a platform and a scooter standing on the platform in 20 seconds, 12seconds respectively.What is the length of the platform if the speed of the train is 25 km/hr? A) 55.8 m B) 75m C) 124m D) 68.5m

Description : A train crosses a platform and a scooter standing on the platform in 20 seconds, 12seconds respectively.What is the length of the platform if the speed of the train is 25 km/hr? A) 55.8 m B) 75m C) 124m D) 68.5m 

Last Answer : Answer: A Explanation: Given that, The speed of the train = 25km/hr = 25x 5/18 m/sec = 125/18 m/sec The train crosses a scooter in 12 seconds. Then, Length of the train = 125/18*12= 83.33 Now, ... 18(X +83.3)= 2500 18X=1000.6 X=55.58 m Hence the platform is 55.58 m long.

simplify (3n – 2m)2 = ? -General Knowledge

Description : simplify (3n – 2m)2 = ? -General Knowledge

Last Answer : (3n - 2m)^2 = 9n^2 - 12mn + 4m^2

Out of 3n consecutive natural numbers 3 natural numbers are chosen at random without replacement. -Maths 9th

Description : Out of 3n consecutive natural numbers 3 natural numbers are chosen at random without replacement. -Maths 9th

Last Answer : (c) \(rac{3n^2-3n+2}{(3n-1)(3n-2)}\)In 3n consecutive natural numbers, (i) n numbers are of the form 3p (ii) n numbers are of the form 3p + 1 (iii) n numbers are of the form 3p + 2 For the ... ) We can select one number from each set.∴ Favourable number of cases = nC3 + nC3 + nC3 + (nC1 nC1 nC1)

Two forces, one with a magnitude of 3N and the other with a magnitude of 5N ,are applied to an object. For which orientations of the forces shown in t

Description : Two forces, one with a magnitude of 3N and the other with a magnitude of 5N ,are applied to an object. For which orientations of the forces shown in t

Last Answer : Two forces, one with a magnitude of 3N and the other with a magnitude of 5N ,are applied to an object. For ... of the object the least ? A. B. C. D.

A dilute solution of `H_(2)SO_(4)` is made by adding 5 mL of `3N H_(2)SO_(4)` to 245 mL of water. Find the normality and molarity of the diluted solut

Description : A dilute solution of `H_(2)SO_(4)` is made by adding 5 mL of `3N H_(2)SO_(4)` to 245 mL of water. Find the normality and molarity of the diluted solut

Last Answer : A dilute solution of `H_(2)SO_(4)` is made by adding 5 mL of `3N H_(2)SO_(4)` ... of water. Find the normality and molarity of the diluted solution.

What is 2n times 3n?

Description : What is 2n times 3n?

Last Answer : 6n²example if n=5(2x5) x (3x5) = 10 x 15 = 1506 x 5² = 6 x 25 = 150

What is the the 1st 3 terms of 25-3n?

Description : What is the the 1st 3 terms of 25-3n?

Last Answer : They are: 22, 19 and 16

Will Naturtint Hair Color 3N Dark Chestnut Brown lighten dyed black hair?

Description : Will Naturtint Hair Color 3N Dark Chestnut Brown lighten dyed black hair?

Last Answer : Naturtint Hair Color 3N Dark Chestnut Brown will lighten hair up to two shades.