6.4 * 1.25 = (?)3
6.4 * 1.25 = (?)3
A. 1
B. 4
C. 2
D. 3
Explanation:
8 = (?)3
=> ?3 = 23 => ? = 2
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The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?
The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?A. 55 kg
B. 62 kg
C. 56 kg
D. None
Explanation:
25x + 46 = 26(x – 5)
x = 17625% of 30% of 45% is equal to__________?
25% of 30% of 45% is equal to__________?A. 0.03375
B. 0.3375
C. 3.375
D. 33.75
Explanation:
(25/100) * (30/100) * (45/100)
1/4 * 3/10 * 9/20
27/800 = 0.03375Divide Rs.2000 into two shares in the ratio 3:2.
Divide Rs.2000 into two s in the ratio 3:2.A. Rs.1200,Rs.800
B. Rs.800,Rs.1200
C. Rs.1500,Rs.500
D. Rs.1100, Rs.900
3x+2x=2000 5x=2000 x=400 3x=1200 2x=800A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:________?
A student who secures 20 % marks in an examination fails by 30 marks. Another student who secures 32 % marks gets 42 marks more than those required to pass. The percentage of marks required to pass is:________?A. 20%
B. 25 %
C. 28%
D. 30%
Explanation:
20 % of x + 30 = 32 % of x – 42
Or 12 % of x = 72.
So, x = (72 ×100)/12 = 600
Pass marks = 20 % of 600 + 30 = 150
Pass Percentage =[1/4 x 100]%= 25 %There were two candidates in an election. Winner candidate received 62% of votes and won the election by 288 votes. Find the number of votes casted to the winning candidate?
There were two candidates in an election. Winner candidate received 62% of votes and won the election by 288 votes. Find the number of votes casted to the winning candidate?A. 456
B. 744
C. 912
D. 1200
Explanation:
W = 62% L = 38%
62% – 38% = 24%
24% ——– 288
62% ——– ? => 744The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is_________?
The greatest number of five digits which is divisible by 32, 36, 40, 42 and 48 is_________?A. 90730
B. 90725
C. 90715
D. 90720
Explanation:
LCM = 10080
10080) 99999 (8
90720
———
9279
99999 – 9279 = 90720