Question
An unexpected rise in sales of a product leads
toSolution
The correct answer is B
Let sinA+ sinB = a and cosA+ cosB = b, then the value of a² + b² = ?
The angle of elevation of the top of a building from a point on the ground is 60°. After walking 20 meters towards the building, the angle of elevation...
From a group of 7 men and 4 women, a committee of 4 persons is to be formed. The probability that the committee has at least one woman is:
If 'x' is a positive integer such that x + 1/x = 2, then find the value of (x3 + x2 − 2x – 6)/(4x4 + 2x2
A boat can travel upstream at 12 km/h and downstream at 18 km/h. What is the speed of the boat in still water?
In the question, two equations I and II are given. You have to solve both the equations to establish the correct relation between x and y and choose the...
If the numerator of a fraction is increased by 150% and the denominator is increased by ___%, the fraction becomes 4/7. What is the original fraction? W...
A person has a total of ₹5000 in the form of ₹10 and ₹5 notes. If the number of ₹10 notes is twice the number of ₹5 notes, how many notes of e...
Rs. 8000 was lent in two parts, first part at 5 % p.a. and the remaining at 4% p.a. If the total simple interest from both the parts in 4 years was Rs. ...
A bag contains coins of ₹1, ₹2, and ₹5 denominations in the ratio 3:2:1. If the total amount in the bag is ₹240, find the number of ₹2 coins.