In how many ways can 8 letters be placed in 4 letter boxes?
The compound interest on Rs. 30,000 at 7% per annum is Rs. 4,347. The period (in years) is:
If a card is drawn from a well-shuffled pack of cards, the probability of drawing a spade or a king is -.
The term 'filter' is most closely associated with which of the following?
The ratio of the present ages of two brothers is 1:2, and 5 years ago, the ratio was 1:3. What will be the ratio of their ages after 5 years?
A can do 1/4th part of work in 10 days and B can do 40% work in 40 days and C can do 1/3rd of the work in 13 days. Who will complete the work first?
The value of a car depreciates at the rate of 12% per year. The present value of the car is Rs 400,000. Find its worth after 2 years.
Identify the part which has error in it.
People in many parts of Africa (A) / are suffering from chronicle under-nourishment (B) / because of the total absence of rain (C) / for four consecutive years (D).
The minute hand of a clock overtakes the hour hand at an interval of 65 minutes of the correct time. How much does the clock gain or lose per day?
An order was placed for the supply of a carpet whose length and breadth were in the ratio of 3 : 2. Subsequently, the dimensions of the carpet were altered such that its length and breadth were in the ratio 7 : 3, but there was no change in its perimeter. Find the ratio of the areas of the carpets in both the cases.