Test Preparation on Mathematics Olympiad Class-6 paper-6

In order to obtain an income of Rs. 650 from 10% stock at Rs.  96, one must make an investment of:

The given equations are solved on the basis of a certain system. On the same basis, find out the correct answer from amongst the options.

If 12 – 5 = 84, 10 – 5 = 50, 8 – 5 = 24, then 6 – 5 = ?

A man buys Rs. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market value of each share is:

A man invests some money partly in 9% stock at 96 and partly in 12% stock at 120. To obtain equal dividends from both, he must invest the money in the ratio:

If ‘Cloud’ is coded as ‘Rain’, ‘Rain’ is coded as ‘Tree’, ‘Tree’ is coded as ‘Axe’, ‘Axe’ is coded as ‘House’ and ‘House’ is coded as ‘Mason’, then from which of the following ‘Wood’ is obtained?