A. 4000
B. 2160
C. 4320
D. 5300
✅ The correct answer is option C. 4320.
230. A class has 90 students. If the ratio of boys and girls is 7:8, find the number of boys in the class.
A. 48
B. 42
C. 60
D. 70
✅ The correct answer is option B. 42.
7x+8x=90 15x=90 x=6 Number of boys=7x=42
7x+8x=90 15x=90 x=6 Number of boys=7x=42
265. Find the value of a/b + b/a, if a and b are the roots of the quadratic equation x2 + 8x + 4 = 0?
A. 15
B. 14
C. 24
D. 26
✅ The correct answer is option B. 14.
263. A cycle is bought for Rs.900 and sold for Rs.1080, find the gain percent?
A. 16 2/3%
B. 20%
C. 18%
D. 25%
✅ The correct answer is option B. 20%.
261. A and B entered into a partnership investing Rs.25000 and Rs.30000 respectively. After 4 months C also joined the business with an investment of Rs.35000. What is the share of C in an annual profit of Rs.47000?
A. Rs.18000
B. Rs.15000
C. Rs.17000
D. Rs.14000
✅ The correct answer is option D. Rs.14000.
259. How much water must be added to a bucket which contains 40 liters of milk at the cost price of Rs.3.50 per liter so that the cost of milk reduces to Rs.2 per liter?
A. 25 liters
B. 28 litres
C. 30 liters
D. 35 liters
✅ The correct answer is option C. 30 liters.
256. If x % of 80 = 20% of y, then x = ? and y = ?
A. x = 20, y = 20
B. x = 20, y = 40
C. x = 20, y = 80
D. Cannot be determined
✅ The correct answer is option D. Cannot be determined.
253. 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).
250. 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.
247. 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.