A shopkeeper purchased two types of wheat costing Rs. 220 per kg and Rs. 300 per kg. In what ratio should he mix the wheat so that he could sell the mixture at the rate of Rs. 360 per kg in order to earn the profit of 25%?

In the following diagram, three different products (in thousands) produced by a company in 5 years are given and after studying them carefully, answer the following questions.

Three products produced by a company in different years (in thousands)

What will be the average of the Key board produced in the year 2006 and year 2008?

In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, find the dividend.

Ratio of the monthly income of A to B is 4:3 and the ratio of the monthly income of B to C is 2:1. If the difference between the C’s monthly income and his savings is Rs.12000 and the saving’s of C is half of his expenditure, then what is the average of the income of A, B and C?

  The value of $${{1}\over 1+\sqrt { 2} + \sqrt { 3}}+{{1}\over 1-\sqrt { 2} + \sqrt { 3}} $$ is

Answer the following questions

P, Q and R alone can complete a piece of work in 24, 36 and 18 days respectively. P started working, after 2 days R joins with them and Q joins with them after another 2 days, then find the no of days P, Q and R worked together.

In ΔABC, D is a point on side BC such that ∠ADC = 2∠BAD. If ∠A = 80° and ∠C = 38°, then what is the measure of ∠ADB?

B is 10% more than A. C is 20% less than A. B is what percentage more than C?