Find the least number which when divided by 12, 18, 36 and 45 leaves the remainder 8, 14, 32 and 41 respectively.
176
180
178
178
An empty pool being filled with water at a constant rate takes 8h to fill 3/5 th of its capacity. How much more time will it take to finish filling the pool?
5 h 30 min
5 h 20 min
4 h 48 min
4 h 50 min
P can do a piece of work in 9 days. Q is 50% more efficient than P. The number of days it takes for Q to do the same piece of work is
6
6
C.
6
As per question if Q is 50% more efficient than P,
and let's suppose Q takes 100 days then P would be taking 150 days.
So, the required ratio would be
P : Q :: 9 : x
150 : 100 :: 9 : x
16 men can complete a work in 15 days, 24 children can do the same work in 20 days. In how many days will 8 men and 8 children, complete the same work?
16
20
20
The area of the iron sheet required to prepare a cone 24 cm high with base radius 7 cm is .
708 cm2
804 cm2
704 cm2
704 cm2
On decreasing each side of an equilateral triangle by 2cm, there is a decrease of in its area. The length of each side of the triangle is
3 cm
5 cm
6 cm
6 cm
A rectangular tin sheet is 12 cm long and 5 cm broad. It is rolled along its length to form a cylinder by making the opposite edges just to touch each other. Then, the volume of the cylinder is
180/π cm3
120/π cm3
100/π cm3
60/π cm3
A merchant advertise 10% off on the items bought from his store. The total discount got by a customer who bought a cooker worth ₹ 650, a heater worth ₹ 500 and a bag worth ₹ 65 is
₹ 120.50
₹ 123.50
₹ 128.50
₹ 128.50
What is a better investment, 4% stock at ₹ 120 or 3% stock at ₹ 80?
First
Second
Both
Both