What is the power of 12 in 99!?
Evaluate ∫ cos 2x dx
Find the value of a/b + b/a, if a and b are the roots of the quadratic equation x² + 8x + 4 = 0.
Find the least number that when divided by 3, 4, 5, and 6 leaves a remainder of 4, but when divided by 2 leaves no remainder.
In a bag, there are coins of 25 p, 10 p, and 5 p in the ratio of 1: 2: 3. If there is Rs. 30 in all, how many 5 p coins are there?
A car covers a certain distance in 8 hours at a uniform speed. If the speed had been increased by 4 km/hr, the same distance could have been covered in 7 1/2 hours. What is the distance covered?
Two water taps together can fill a tank in 75/8 hours. The tap of larger diameter takes 10 hours less than the smaller one to fill the tank separately. Find the time in which the larger tap can fill the tank.
A * B means A is the sister of B
A $ B means B is the mother of A
A + B means A is the brother of B
A = B means B is the father of A.
Which of the following means M is the maternal uncle of N?
Tarun earned an average of Rs. 1,000 per month from January to April in a year. He earned an average of Rs. 1,600 per month from May to October in that year. His earnings in the month of December of that year were Rs. 300 more than his earnings in the month of November of that year. His average monthly earnings for that year were Rs. 1,675. Find his earnings in the month of November.