15% of 578 + 22.5% of 644=? a. 231.4 b. 231.8 c. 231.6 d. 233.6   e. none of these

15% of 578+22.5% of 644=? a.231.4b231.8c.231.6d.233.6quad e.none of these

(23.6% of 1254)-(16.6%~ 834)=?quad 153.5b155.5c.159.5d.157.5quad e.none of these

40 % of 4. 5+? % of2/3=20 % of 10 20 b. 25 c. 30 d. 35 e. none of these

(550% of 250)/275=? a.15 b.0.5 c.1.5 d.2.5 e.none of these

15% of 45% of a number is 105.3. What is 24% o. of that number? 374.4 b.375 c.38.5 d.390 e. none of these

15% of ?% of 582=17.46quad 2 b.10 c.20 d.none of these

If 8% of x=4% of y, t h e n 20 % of x is a.10 % of y b. 80 % of y c. 16 % of y d. none of these

A shopkeeper purchased 70 kg of potatoes for Rs. 420 and .sold the whole lot at the rate of Rs. 6.50 per kg. What will be his gain percent? a. 4 1/6% b. 6 1/4% c. 20 % d. 81/3% e. none of these

The value of |1 2 3-4 3 6 2-7 9| is a. 213 b.-231 c.231 d. 39

Successive discounts of 10%,12% and 15% amount to a single discount of 32.68% b.36.68% c.35.28% d.none of these