181. A family of 12 people had enough provision for 15 days. But 3 guests came for 2 days. How long the provisions will last for?
A. 8
B. 15
C. 12
D. 12.5
✅ The correct answer is option D. 12.5.
Mathematics
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182. Jameel invested an amount of Rs.17400 for two years. Find the rate of compound interest that will fetch him an amount of Rs.1783.50 at the end of two years?
A. 8% p.a.
B. 6% p.a.
C. 4% p.a.
D. 5% p.a.
✅ The correct answer is option D. 5% p.a..
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
184. A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is?
A. 6 hrs
B. 10 hrs
C. 15 hrs
D. 30 hrs
✅ The correct answer is option C. 15 hrs.
185. Two numbers X and Y are respectively 20% and 28% less than a third number Z. By what percentage is the number Y less than that of the number X?
A. 8%
B. 9%
C. 10%
D. 11%
✅ The correct answer is option C. 10%.
186. 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
187. At an inn there are provisions sufficient for 20 days for 40 people. At the end of every 10 days 5 people leave off. How many days the provision will be sufficient for new?
A. 20
B. 40
C. 30
D. none
✅ The correct answer is option D. none.
188. 58978 / 363.94 * 11.02 = _______?
A. 1580
B. 1680
C. 1780
D. 1880
✅ The correct answer is option C. 1780.
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.
190. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average of the team?
A. 23 years
B. 24 years
C. 25 years
D. None of these
✅ The correct answer is option A. 23 years.