A. Rs.48
B. Rs.75
C. Rs.96
D. Rs.133.33
✅ The correct answer is option B. Rs.75.
For an income of Rs. 8,investments= Rs.100.
For an income of Rs. 8,investments= Rs.100.
For an income of Rs. 6,investments= Rs.(100/8×6)
Mathematics MCQs
A sum of money place at compound interest doubles itself in 4 years. In how many years will it amount to eight times itself?
A. 16
B. 8
C. 12
D. 20
✅ The correct answer is option C. 12.
The tens digit of a two-digit number is two more than its unit digit. The two-digit number is 7 times the sum of the digits. Find the units digits?
A. 1
B. 2
C. 3
D. 4
✅ The correct answer is option B. 2.
The average of first five prime numbers greater than 20 is____________?
A. 31.00
B. 31.01
C. 32.00
D. 32.2
✅ The correct answer is option D. 32.2.
23 + 29 + 31 + 37 + 41 = 161/5 = 32.2
23 + 29 + 31 + 37 + 41 = 161/5 = 32.2
Two pipes A and B can separately fill a tank in 2 minutes and 15 minutes respectively. Both the pipes are opened together but 4 minutes after the start the pipe A is turned off. How much time will it take to fill the tank?
A. 9 min
B. 10 min
C. 11 min
D. 12 min
✅ The correct answer is option B. 10 min.
4/12 + x/15 = 1
4/12 + x/15 = 1
A garrison has provisions for 40 days. At the end of 5 days half of the men left the garrison. How long the food will last for?
A. 45 days
B. 35 days
C. 70 days
D. 80 days
✅ The correct answer is option C. 70 days.
Find the smallest number which when increased by 5, divisible by 6, 9, 15, 20 and 24?
A. 344
B. 355
C. 366
D. 377
✅ The correct answer is option B. 355.
In a camp sufficient food was provided to 500 men to last for 10 days. But after 5 days 200 more men joined. How long the food will last for after joining the 2000 new men?
A. 3
B. 8
C. 5
D. 1
✅ The correct answer is option D. 1.
A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120. To obtain equal dividends from both he must invest the money in the ratio_________?
A. 3:4
B. 3:5
C. 4:5
D. 16:15
✅ The correct answer is option D. 16:15.
For an income of Re. 1 in 9% stock at 96,investments
For an income of Re. 1 in 9% stock at 96,investments
= Rs. (96 / 9).
A 25 cm wide path is to be made around a circular garden having a diameter of 4 meters. Approximate area of the path is square meters is__________?
A. 3.34
B. 2
C. 4.5
D. 5.5
✅ The correct answer is option A. 3.34.
Area of the path = Area of the outer circle – Area of the inner circle = ∏{4/2 + 25/100}2 – ∏[4/2]2
Area of the path = Area of the outer circle – Area of the inner circle = ∏{4/2 + 25/100}2 – ∏[4/2]2