How many different numbers greater than 60000 can be formed with the digits 0, 2, 2, 6, 8? -Maths 9th

How many different numbers greater than 60000 can be formed with the digits 0, 2, 2, 6, 8? -Maths 9th
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How many natural numbers not exceeding 4321 can be formed with the digits 1, 2, 3, 4 if repetition is allowed? -Maths 9th

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How many numbers greater than 400 can be formed with digits 3,4,8,9 with no digits being repeated? a) 24 b) 18 c) 42 d) 45

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A five digit number is formed by the digits 0, 1, 2, 3, 4 (without repetition). Find the probability that the number formed is divisible by 4 ? -Maths 9th

Description : A five digit number is formed by the digits 0, 1, 2, 3, 4 (without repetition). Find the probability that the number formed is divisible by 4 ? -Maths 9th

Last Answer : Without repetition, a five -digit number can be formed using the five digits in 5! ways (5 4 3 2 1) Out of these 5! numbers, 4! numbers will be starting with digit 0. (0 (fixed) 4 3 2 1) ∴ Total ... + 6 + 6 + 4 + 4 + 4 = 30∴ Required probability = \(rac{30}{96}\) = \(rac{5}{16}.\)

A four digit number is formed by the digits 1, 2, 3, 4 with no repetition. The probability that the number is odd is -Maths 9th

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Description : Show that If m > 1, then the sum of the mth powers of underline (n)even numbers is greater than n (n + 1)^m -Maths 9th

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If a, b, c are positive real numbers such that a + b + c = p, then 1/a+1/b+1/c is greater than -Maths 9th

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What digits might composite numbers greater than 10 have in the ones place. 12345.?

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If the digits of a two digit number are interchanged, the number formed is greater than the original number by 45. If the difference between the digits is 5.What is the original number?

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Description : What is 6 trillion times 60000?

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If x, y, z are distinct positive numbers different from 1, such that -Maths 9th

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A number say z is exactly the four times the sum of its digits and twice the product of the digits. Find the numbers -Maths 10th

Description : A number say z is exactly the four times the sum of its digits and twice the product of the digits. Find the numbers -Maths 10th

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When you add two numbers and the number obtained by reversing the order of its digits is 165. If the both numbers differ by three, find the number. -Maths 10th

Description : When you add two numbers and the number obtained by reversing the order of its digits is 165. If the both numbers differ by three, find the number. -Maths 10th

Last Answer : Let the No. Be xy ATGC , xy + yx = 165 10x + y + 10y+x = 165 11x + 11y = 165 Divide Both sides By 11 x + y = 15 __________(1) Also,x ... By 1 and 2 we get 2x = 18 x = 9 y = 6 so the number is So the number is 96 or 69 ______________________

Find six rational numbers between 5/7 and 6/7. -Maths 9th

Description : Find six rational numbers between 5/7 and 6/7. -Maths 9th

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Find the median of the numbers: 4, 4, 5, 7, 6, 7, 7, 12, 3. -Maths 9th

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Last Answer : Arranging the data in ascending order, we get 3, 4, 4, 5, 6, 7, 7, 7, 12 Here, n = 9 Median = (9 +1)th/2 observation = 5th observation = 6.

Ram and Shyam started a business with investments of Rs.40000 and Rs.60000. At the end of one year, out of the total Ram got Rs.2000 less profit than Shyam. Find the total profit (in Rs.) a)12000 b)10000 c)8000 d)16000

Description : Ram and Shyam started a business with investments of Rs.40000 and Rs.60000. At the end of one year, out of the total Ram got Rs.2000 less profit than Shyam. Find the total profit (in Rs.) a)12000 b)10000 c)8000 d)16000

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Two parallel lines l and m are intersected by a transversal p (see Fig. 8.46). Show that the quadrilateral formed by the bisectors of interior angles is a rectangle. -Maths 9th

Description : Two parallel lines l and m are intersected by a transversal p (see Fig. 8.46). Show that the quadrilateral formed by the bisectors of interior angles is a rectangle. -Maths 9th

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In how many ways can a committee of five persons be formed out of 8 members when a particular member is taken every time? -Maths 9th

Description : In how many ways can a committee of five persons be formed out of 8 members when a particular member is taken every time? -Maths 9th

Last Answer : ∴Required number of ways = 7C4 = 7!

Find three rational numbers lying between 0 and 0.1 . -Maths 9th

Description : Find three rational numbers lying between 0 and 0.1 . -Maths 9th

Last Answer : The three rational numbers lying between 0 and 0.1 are 001,005,009. The twenty rational numbers between 0 and 0.1 are 0.001 , 0.002, 0.003, 0.004,--- 0.011, 0.012,--- 0.099. To determine any ... 0 and 0.1 insert the square root of its product. i.e. The rational numbers between a and b is √a b .

Find two irrational numbers between 0.1 and 0.12. -Maths 9th

Description : Find two irrational numbers between 0.1 and 0.12. -Maths 9th

Last Answer : The two irrational numbers between 0.1 and 0.12 are 0.1 010010001--- and 0.1101001000100001 -----

Give two rational numbers lying between 0.232332333233332---- and 0.21211211121111---- -Maths 9th

Description : Give two rational numbers lying between 0.232332333233332---- and 0.21211211121111---- -Maths 9th

Last Answer : The two rational numbers are 0.222. and 0.221

Find three rational numbers lying between 0 and 0.1 . -Maths 9th

Description : Find three rational numbers lying between 0 and 0.1 . -Maths 9th

Last Answer : The three rational numbers lying between 0 and 0.1 are 001,005,009. The twenty rational numbers between 0 and 0.1 are 0.001 , 0.002, 0.003, 0.004,--- 0.011, 0.012,--- 0.099. To determine any ... 0 and 0.1 insert the square root of its product. i.e. The rational numbers between a and b is √a b .

Find two irrational numbers between 0.1 and 0.12. -Maths 9th

Description : Find two irrational numbers between 0.1 and 0.12. -Maths 9th

Last Answer : The two irrational numbers between 0.1 and 0.12 are 0.1 010010001--- and 0.1101001000100001 -----

Give two rational numbers lying between 0.232332333233332---- and 0.21211211121111---- -Maths 9th

Description : Give two rational numbers lying between 0.232332333233332---- and 0.21211211121111---- -Maths 9th

Last Answer : The two rational numbers are 0.222. and 0.221

Express the following numbers in the form of p/q.(1)0.15 (2)0.00026 (3)23.434343434343...... (4)0.6666666.... -Maths 9th

Description : Express the following numbers in the form of p/q.(1)0.15 (2)0.00026 (3)23.434343434343...... (4)0.6666666.... -Maths 9th

Last Answer : (i) 0.15 = 15/100 = 3/20 (ii) 0.00026 = 26/100000 = 13/50000 (iii) 23.43434343.... Let p/q = 23.434343...... - (i) Multiply both side by 100:- 100 * p/q = 100 * 23.434343...... 100p/q = 2343. ... .434343...... 99p/q = 2320.0 p/q = 2320/99 (iv) 0.6666.... = 6/9 Proceed same as question no. (iii)

Express the following numbers in the form of p/q.(1)0.15 (2)0.00026 (3)23.434343434343...... (4)0.6666666.... -Maths 9th

Description : Express the following numbers in the form of p/q.(1)0.15 (2)0.00026 (3)23.434343434343...... (4)0.6666666.... -Maths 9th

Last Answer : (i) 0.15 = 15/100 = 3/20 (ii) 0.00026 = 26/100000 = 13/50000 (iii) 23.43434343.... Let p/q = 23.434343...... - (i) Multiply both side by 100:- 100 * p/q = 100 * 23.434343...... 100p/q = 2343. ... .434343...... 99p/q = 2320.0 p/q = 2320/99 (iv) 0.6666.... = 6/9 Proceed same as question no. (iii)

Is ax + by + c = 0, where a, b and c are real numbers, a linear equation in two variables? Give reason. -Maths 9th

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On the set R of all real numbers, a relation R is defined by R = {(a, b) : 1 + ab > 0}. Then R is -Maths 9th

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The set of all real numbers x, for which x^2 – |x + 2| + x > 0, is -Maths 9th

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Let a, b, c be positive numbers lying in the interval (0, 1], then a/(1+b+ca)+b/(a+c+ab)+c/(1+a+bc) is -Maths 9th

Description : Let a, b, c be positive numbers lying in the interval (0, 1], then a/(1+b+ca)+b/(a+c+ab)+c/(1+a+bc) is -Maths 9th

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show the following numbers on the number line. (a) 0.2 (b) 1.9 (c) 1.1 (d) 2.5 -Maths 9th

Description : show the following numbers on the number line. (a) 0.2 (b) 1.9 (c) 1.1 (d) 2.5 -Maths 9th

Last Answer : (a) 0.2 lies between the points 0 and 1 on the number line. The space between 0 and 1 is divided into 10 equal parts. Therefore each equal part will be equal to one-tenth. 0.2 is the second point ... parts. Therefore each equal part will be equal to one-tenth. 2.5 is the fifth point between 2 and 3

Cubes of the numbers for which the digits in the units place are 2,8 nd 3,7 end s in _________ and respectively.

Description : Cubes of the numbers for which the digits in the units place are 2,8 nd 3,7 end s in _________ and respectively.

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A kite in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be made of three different shades as shown in figure. -Maths 9th

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Last Answer : Each shade of paper is divided into 3 triangles i.e., I, II, III 8 cm For triangle I: ABCD is a square [Given] ∵ Diagonals of a square are equal and bisect each other. ∴ AC = BD = 32 cm Height of AABD ... are: Area of shade I = 256 cm2 Area of shade II = 256 cm2 and area of shade III = 17.92 cm2

There are 5 professors and 6 students out of whom a committee of 2 professors and 3 students is to be formed such that a -Maths 9th

Description : There are 5 professors and 6 students out of whom a committee of 2 professors and 3 students is to be formed such that a -Maths 9th

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A committee of 5 persons is to be formed out of 6 gents and 4 ladies. In how many ways can this be done if at most two ladies are included? -Maths 9th

Description : A committee of 5 persons is to be formed out of 6 gents and 4 ladies. In how many ways can this be done if at most two ladies are included? -Maths 9th

Last Answer : hope its clear

Write the shape of the quadrilateral formed by joining (1, 1), (6, 1), (4, 5) and (3, 5) on graph paper. -Maths 9th

Description : Write the shape of the quadrilateral formed by joining (1, 1), (6, 1), (4, 5) and (3, 5) on graph paper. -Maths 9th

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How many times does 30 go into 60000?

Description : How many times does 30 go into 60000?

Last Answer : 2,000 times.

A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is (A) 6000 (B) 24000 (C) 60000 (D) 48000

Description : A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is (A) 6000 (B) 24000 (C) 60000 (D) 48000

Last Answer : (B) 24000

For the irreversible reaction, Ca+ 2C = Ca C2, Δ H°298 = - 60000 J . mole-1. If a system initially containing 2 moles of calcium, 3 moles of carbon and 1 mole of calcium carbide is allowed to react to completion, the heat evolved at 298 K will be (A) 30,000 J (B) 60,000 J (C) 90,000 J (D) 2,40,000 J

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Last Answer : (C) 90,000 J

Gross profit are Rs.50,000 and expenses not result in the application of funds are Rs.10000 funds from operation will be a) Rs.60000 b) Rs.50000 c) Rs. 40000 d) Rs. 30000

Description : Gross profit are Rs.50,000 and expenses not result in the application of funds are Rs.10000 funds from operation will be a) Rs.60000 b) Rs.50000 c) Rs. 40000 d) Rs. 30000

Last Answer : a) Rs.60000

Current ratio is 4:1, the amount of current liabilities is Rs.12000 the amount of working capital is----- a) Rs.48,000 b) Rs.36000 c) Rs.30000 d) Rs.60000

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Last Answer : a) Rs.48,000

The monthly income of M and N is in the ratio 5:3 and their expenses in the ratio 4:2. Both of them save Rs. 12000 each. Find the monthly income of M A) 68000 B) 72000 C) 60000 D) 64000

Description : The monthly income of M and N is in the ratio 5:3 and their expenses in the ratio 4:2. Both of them save Rs. 12000 each. Find the monthly income of M A) 68000 B) 72000 C) 60000 D) 64000

Last Answer : Answer: C)  Income ratio of M=5x  Income ratio of N=3x  Savings of M=12000  Savings of N=12000  Expense of M=5x-12000  Expense of N =3x-12000  Expense order in ration 4:2  5x-12000:3x-12000=4:2  X=12000  M’s income =5x=5*12000  =60000

The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately A) 16 digits B) 6 digits C) 9 digits D) All of above

Description : The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately A) 16 digits B) 6 digits C) 9 digits D) All of above

Last Answer : Answer : A

The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately a. 16 digits b. 6 digits c. 9 digits d. All of above

Description : The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately a. 16 digits b. 6 digits c. 9 digits d. All of above

Last Answer : d. All of above

Construct a histogram for the marks of the student given below : - Marks 0-10,10-30,30-45,45-50,50-60 and number of students 8,32,18,10,6 -Maths 9th

Description : Construct a histogram for the marks of the student given below : - Marks 0-10,10-30,30-45,45-50,50-60 and number of students 8,32,18,10,6 -Maths 9th

Last Answer : see in book okay!!!

Construct a histogram for the marks of the student given below : - Marks 0-10,10-30,30-45,45-50,50-60 and number of students 8,32,18,10,6 -Maths 9th

Description : Construct a histogram for the marks of the student given below : - Marks 0-10,10-30,30-45,45-50,50-60 and number of students 8,32,18,10,6 -Maths 9th

Last Answer : see in book okay!!!