Description : Consider efficiencies of hydro-turbines and generators. If the efficiency of a hydro-turbine is 80% and the efficiency of a generator is 90%, what is the overall efficiency of the unit? w) 85% x) 72% y) 90% z) 70%
Last Answer : ANSWER: X -- 72%
Description : Two students appeared at an examination. One of them secured 18marks more than the other and his marks was 72% of the sum of their marks. What are the marks obtained by them? a) 12.5,23.3 b) 26.7,16.0 c) 13.3,14.2 d) 11.45, 29.45 e) 29.8,15.4
Last Answer : Answer: D Let the marks secured by them be x and (x + 18) Then sum of their marks = x + (x + 18) = 2x + 18 Given that (x + 18) was 72% of the sum of their marks =>(x+18) = 72/100(2x+18) => ... 11x = 126 x = 11.45 Then (x + 18) = 11.45 + 18 = 29.45 Hence their marks are 11.45 and 29.45
Description : In an examination it is required to get 672 aggregate marks to pass. A student gets 70% marks and is declared failed by 126 marks. What are the maximum aggregate marks a student can get? a) 780 b) 840 c) 741 d) 805 e) 983
Last Answer : Answer: A Difference = 672-126 = 546 According to the question, 70% of total aggregate = 546 Total aggregate marks = 546 × 100 /70 = 54600/70 = 780
Description : The average score in a bank examination of 13 students of a class is 50. If the scores of the top five students are not considered, the average score of the remaining students falls by 5. The pass mark ... integral scores, the maximum possible score of the topper is. A) 85 B) 90 C) 95 D) 100
Last Answer : D Average = Sum of observations/Number of observations Given, average score in a bank examination of 13 students of a class is 50. Sum of total scores = 13 50= 650 Given, if the scores of the top five students are not ... b + c + d + e = 290 ⇒46+ 47 + 48+ 49 +e = 290 ⇒e = 100
Description : Average yearly load on the tractor should not exceed its rated load up to a) 70% b) 72% c) 75 % d) 78%
Last Answer : c) 75 %
Description : Net protein utilisation of egg protein is (A) 75% (B) 80% (C) 91% (D) 72%
Last Answer : Answer : C
Description : The cow’s milk contains how much amount of water in terms of percentage? A. 60% B. 65% C. 72% D. 80% (Answer)
Last Answer : D. 80% (Answer)
Description : If senator A votes with the party 80% of the time and senator B 70%, what is most and least that their votes can coincide?
Last Answer : 0.7
Description : A clay solid must contain at least clay separate, to be designated a clay (a) 70% (b) 80% (c) 40% (d) 35%
Last Answer : (d) 35%
Description : The ratio of the number of boys to that of girls in a school is 3:2. If 30% of boys and 70% of girls appeared in an examination, the ratio of students appeared in the examinations to that not appeared in the examination is A) 23:27 B) 22:25 C) 21:17 D) 18:17 E) None of these
Last Answer : Answer: A 3:2 = 30:20 30% boys = (30/100) × 30= 9 70% girls = (70/100) × 20 = 14 (9+14) : (50-23) = 23 : 27
Description : In an examination, x and y secured 732 and 864 marks respectively. If y secured `72%` marks then find the percentage of marks secured by x.
Last Answer : In an examination, x and y secured 732 and 864 marks respectively. If y secured `72%` marks then find the percentage of marks secured by x.
Description : In an examination, 35%of the total students failed in Hindi, 45%failed in English and 20%in both. The percentage of those who passed in both subjects is (A) 10 (B) 20 (C) 30 (D) 40
Last Answer : Answer: D
Description : The average of marks obtained by 60 students in a computer examination is 18. If the average marks of passed students is 20and that of the failed students is 8, what is the number of students who passed the examination? A) 100 B) 75 C) 50 D) 85
Last Answer : C Let the number of passed students be x. Then total marks = 60 × 18= 20x + (60– x) × 8 1080= 20x + 480– 8x 12x = 600 ∴ x = 50 ∴ number of passed students = 50
Description : In an examination, 900 students appeared. Out of these students; 56 % got first division, 27 % got second division and the remaining just passed. Assuming that no student failed; find the number of students who just passed. a) 225 b) 153 c) 245 d) 148 e) 298
Last Answer : Answer: B The number of students with first division = 56 % of 900 = 56/100 × 900 = 50400/100 = 504 And, the number of students with second division = 27 % of 900 = 27/100 × 900 =24300/100 = 243 Therefore, the number of students who just passed = 900 – (504 + 243) = 900- 747 = 153
Description : In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 in Chemistry, 12 in Mathematics
Last Answer : In a class of 55 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 ... ` B. `30` C. `22` D. `27`
Description : The Average of marks obtained by 120 candidates in a certain examination is 35. If the average marks of passed candidates is 39 and that of failed candidates is 15, what is the number of candidates who passed the examination? A.90 B.100 C.108 D.115 E.None of these
Last Answer : Answer – B (100) Explanation – Let the number of passed candidates be a Then total marks =>120 x 35 = 39 a + (120 – a) x 15 4200 = 39 a + 1800 – 15 a a = 100
Description : Of the total body water, intracellular compartment contains about (A) 50% (B) 60% (C) 70% (D) 80%
Description : The starch content of pulses is about (A) 50% (B) 60% (C) 70% (D) 80%
Last Answer : Answer : B
Description : The starch content of wheat is about (A) 50% (B) 60% (C) 70% (D) 80%
Description : How Much of the total area cultivated is under Irrigation System? A. 60% B. 70% C. 80% D. 90%
Last Answer : ANSWER: B
Description : How much of world's surface is covered by water? (1) 55% (2) 70% (3) 80% (4) 25%
Last Answer : (2) 70% Explanation: Water makes up 70.8% of the Earth's surface, while the other 29% consists of continents and Islands. To break the numbers down, 96.5% of all the Earth's water is ... while the remaining 3.5% is freshwater lakes and frozen water locked up in glaciers and the polar ice caps.
Description : The percentage of India's total population employed in agriculture is nearly (1) 60% (2) 50% (3) 70% (4) 80%
Last Answer : (1) 60% Explanation: As per the Economic Survey 2013-14, agriculture accounts for about 54.6 percent of total employment (Census 2011) in India. However, it contributed only 13.9 percent to India's GDP in 2013-14 (provisional estimates) and 15.2 percent during the Eleventh Plan.
Description : For design of sewers, percentage of sewage discharge is assumed A. 65 to 70% B. 70 to 75% C. 75 to 80% D. 85%
Last Answer : ANS: C
Description : Resorce requirement in project becomes constant while the project is in its _____ progress stage. (A) 40 to 55% (B) 55 to 70% (C) 70 to 80% (D) 80 to 95%
Last Answer : (D) 80 to 95%
Description : Resorce requirement in project becomes constant while the project is in its progress stage. (A) 40 to 55% (B) 55 to 70% (C) 70 to 80% (D) 80 to 95%
Description : Rectified spirit contains alcohol about ? A. 80% B. 95% (Answer) C. 70% D. 85%
Last Answer : B. 95% (Answer)
Description : Milk contains water A. 70% B. 75% C. 80% (Answer) D. 90%
Last Answer : C. 80% (Answer)
Description : Resource requirement in project becomes constant while the project is in its progress stage. A. 40 to 55% B. 55 to 70% C. 70 to 80% D. 80 to 95%
Last Answer : D. 80 to 95%
Description : Amount of d.c voltage as compare to Vo is A. 50% B. 60% C. 70% D. 80%
Last Answer : 70%
Description : Of the total incident solar radiation the proportion of PAR is (a) about 70% (b) about 60% (c) less than 50% (d) more than 80%.
Last Answer : (c) less than 50%
Description : Seed germination percentage of rough lemon is: a. 50-60% b. 60-70% c. 70-80% d. 80-90%
Last Answer : 60-70%
Description : In Kinnow mandarin, fruit drop in month of June is upto: a. 70% b. 75% c. 80% d. 85%
Last Answer : 75%
Description : Germination percentage in sour orange rootstock is: a. 50-60% b. 61-70% c. 71-80% d. 81-90%
Last Answer : 50-60%
Description : Living cell contains 60 – 95% water. Water present in human body is (a) 60 – 65% (b) 50 – 55% (c) 75 – 80% (d) 65 – 70%.
Last Answer : (d) 65 – 70%.
Description : Approximately how many businesses content marketing is used? A. 20% to 30% B. 40% to 50% C. 60% to 70% D. 80% to 90%
Last Answer : D. 80% to 90%
Description : In which stage of COPD is the forced expiratory volume (FEV1) < 30%? a) III Stage III patients demonstrate FEV1 < 30% with respiratory failure or clinical signs of right heart failure b) II Stage II ... I Stage I is mild COPD with FEV1 < 70%. d) O Stage O is characterized by normal spirometry
Last Answer : a) III Stage III patients demonstrate FEV1 < 30% with respiratory failure or clinical signs of right heart failure
Description : The usual percentages of clay and metal in cermet are: (A) 50%, 50% (B) 60%, 40% (C) 70%, 30% (D) 80%, 20%
Last Answer : Answer: Option D
Description : In India, people live in village and of them depend on agriculture (a) 50%,50% (c) 60%,805 (b) 80%,70% (d) 70%,705
Last Answer : 80%,70%
Description : The sum of the percentage of tricalcium silicate and dicalcium silicate for Portland cement varies from. (a) 50 to 60% (b) 60 to 70% (c) 70 to 80% (d) 80 to 90%
Last Answer : (c) 70 to 80%
Description : About 70% to 80% of cement is contributed by [ A ] Tricalcium silicate and Tricalcium aluminate [ B ] Tricalcium silicate and Dicalcium silicate [ C ] Tricalcium Aluminate and Dicalcium silicate [ D ] Tricalcium Aluminate and Tetra calcium Aluminoferrite
Last Answer : [ B ] Tricalcium silicate and Dicalcium silicate
Description : At 28 days of curing concrete attains a strength of [ A ] 20 to 25% [ B ] 60 to 70% [ C ] 65 to 80% [ D ] 90 to 95%
Last Answer : [ D ] 90 to 95%
Description : Q.61. CA Co manufactures a single product and has drawn up the following flexed budget for the year. 60% 70% 80% Rs Rs Rs Direct materials 120,000 140,000 160,000 Direct labour 90,000 105,000 120,000 Production ... activity? (a) Rs 330,300 (b) Rs 370,300 (c) Rs 373,300 (d) Rs 377,300
Last Answer : (b) Rs 370,300
Description : How much of world’s surface is covered by water? (1) 55% (2) 70% (3) 80% (4) 25%
Description : How many removal examination (s) will be given to an examinee who obtains a passing rating in the majority of the subjects but obtains a rating in the other subject (s) below seventy percent (70%) but not lower than sixty percent (60%)? A. 1 B. 3 C. 2 D. Unlimited
Last Answer : A. 1
Description : What would happen if my teacher from my online class failed to communicate with his students?
Last Answer : You write the paper to the best of your understanding. You turn it in. BUT, you make a copy of that with your concerns and your questions along with a print out of the other students concerns and questions and you forward this to the dean of your department and ask that the matter be looked into.
Description : In final exam of class IX there are 130 students 20 % students failed. How many students passed to class X? a) 105 b) 112 c) 104 d) 117 e) 104.5
Last Answer : Answer: C) Percentage of students passed to class X = (100 % - 20 %) of 130 = 80 % of 130 =>80 % of 130 => 80/100 × 130 =>10400/100 => 104 Therefore, 104 students passed to class X
Description : In connection with the examination of financial statements, an independent auditor could be responsible for failure to detect a material fraud if a. Accountants performing important parts of the ... . The fraud was perpetrated by one client employee, who circumvented the existing internal control
Last Answer : The auditor planned the work in a hasty and inefficient manner.
Description : In connection with the examination of financial statements, an independent auditor could be responsible for failure to detect a material fraud if a. Statistical sampling techniques were not used on ... partsof the work failed to discover a close relationship between the treasurer and the cashie
Description : In a medical examination of students of a class, the following blood groups are recorded : -Maths 9th
Last Answer : Total number of students = 10 + 13 + 12 + 5 = 40 Number of students having blood group ‘B’ = 12 Required probability =12 / 40 = 3 / 10