Quant Quiz - Arithmetic - 23 May 2023

The average of first 10 natural numbers is how much less than the average of first 10 prime numbers?

30 men and 40 women can do 50% of a work in 60 days. 20 men and 34 women can do the same work in 150 days. In how many days 90 men and 65 women together can do the same work?

A sum of Rs. 5200 is invested in a bank for 2 year at compound interest. If amount obtained at the end of 2 years is Rs. 7488, find the rate (per annum) at which the sum was invested.

A 300m long train passes one km long bridge in 26 seconds and another train twice of its length which is travelling in opposite direction, in 15 seconds. The speed of the second train is:

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P and Q enter into a partnership and invested Rs. 42000 and Rs. 54000 respectively. If they split half of the profit equally for their efforts and the remaining balance in the ratio of their investments, then Q got Rs. 510 more than P. What was the profit made in the partnership ?