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SSC CGL 2016 objective Ques (1 results)
1)
The angle of elevation of the top of a pillar from the foot and the top of a building 20 m high, are 60° and 30° respectively. The height of the pillar is
SSC CGL 2016
A)
3 m
B)
9 m
C)
27 m
D)
30 m
Correct Option: D
30 m
Hint::
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The average monthly expenditure of a family was Rs.18,600 during the first three months, Rs.21,750 during the next six months, and Rs.22,840 during the last three months of the year. If the total savings during the year was Rs.1,42,020, then the average monthly income (in Rs.) of the family was:
Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P, Q and R respectively. What is the proportion of solution R in the liquid in the tank after 3 minutes?
An article listed at Rs. 800 is sold at successive discounts of 25% and 15%. The buyer desires to sell it off at a profit of 20% after allowing 10% discount. What would be his list price?
Two pipes A and B can fill a cistern in \(12\frac{1}{2} \) hours and 25 hours, respectively. The pipes are opened simultaneously and it is found that due to a leakage in the bottom, it took 1 hour 40 minutes more to fill the cistern. When the cistern is full, in how much time will the leak empty the cistern?