A. 29
B. 27
C. 28
D. 7
✅ The correct answer is option B. 27.
163. A man spend Rs. 3300. This was 75% of his monthly income. His monthly income is__________?
A. 4000
B. 4400
C. 5000
D. 5400
✅ The correct answer is option B. 4400.
Submitted by: Mansoor Ahmed Suhag
Submitted by: Mansoor Ahmed Suhag
In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?
A. Rs.5000
B. Rs.4600
C. Rs.5400
D. Rs.2300
✅ The correct answer is option C. Rs.5400.
100x + 400 = 12(x – 5)
100x + 400 = 12(x – 5)
Find the amount on Rs.5000 in 2 years, the rate of interest being 4% per first year and 5% for the second year?
A. Rs.460
B. Rs.5640
C. Rs.5460
D. Rs.5604
✅ The correct answer is option C. Rs.5460.
157. A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that all the four bulbs are defective.
A. 62/63
B. 125/126
C. 1/63
D. 1/126
✅ The correct answer is option D. 1/126.
155. A bag contains five white and four red balls. Two balls are picked at random from the bag. What is the probability that they both are different color?
A. 4/9
B. 5/9
C. 7/9
D. 8/9
✅ The correct answer is option B. 5/9.
189. The denominator of a fraction is 1 less than twice the numerator. If the numerator and denominator are both increased by 1, the fraction becomes 3/5. Find the fraction?
A. 2/3
B. 3/5
C. 4/7
D. 5/9
✅ The correct answer is option D. 5/9.
Let the numerator and denominator of the fraction be ‘n’ and ‘d’ respectively.
Let the numerator and denominator of the fraction be ‘n’ and ‘d’ respectively.
d = 2n – 1
(n + 1)/(d + 1) = 3/5
5n + 5 = 3d + 3
5n + 5 = 3(2n – 1) + 3 => n = 5
d = 2n – 1 => d = 9
Hence the fraction is : 5/9.
If 6 men can make 10 sofas in 2 days, then 8 men can make 8 sofas in__________?
A. 1.8 days
B. 1.5 days
C. 1.2 days
D. 1 day
✅ The correct answer is option C. 1.2 days.
Time is
Time is
directly proportional to number of sofas
inversely proportional to number of people No. of days
= (6/8)*(8/10)*2
= 1.2 days
183. To produce an annual income of Rs. 1200 from a 12% stock at 90, the amount of stock needed is:_________?
A. Rs. 10800
B. Rs. 10000
C. Rs. 14400
D. Rs. 16000
✅ The correct answer is option B. Rs. 10000.
For an income of Rs. 12, stock needed = 100
For an income of Rs. 12, stock needed = 100
For an income of Rs. 1200, stock needed = 100 * 1200/12 = 10000
180. A and B start a business, with A investing the total capital of Rs.50000, on the condition that B pays A interest @ 10% per annum on his half of the capital. A is a working partner and receives Rs.1500 per month from the total profit and any profit remaining is equally shared by both of them. At the end of the year, it was found that the income of A is twice that of B. Find the total profit for the year?
A. 53000
B. 58000
C. 50000
D. 59000
✅ The correct answer is option D. 59000.