10% of 5 and 5% of 10 add up to `0. 10` b. `1. 0` c. `0. 2` d. `2. 5`

If log_(10)2=0.3010, the value of log_(10)5 is a.0.3241 b.0.6911 c.0.6990 d.0.7525

The mode of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is : A. 0 B. 4 C. -2 D. 7

A fruit seller sells mangoes as the rate of ? 9 per kg and thereby loses 10%. At what price per kg should he sell in order to earn a profit of 5%? (A)Rs. 10 (B) Rs. 10.5 (C ) Rs. 9.5 (D) Rs. 11.11

An article was sold at 10% profit. Had it purchased at 5% less and sold at Rs 110 less there would have been profit of 10%. Find C.P. of article?

Three numbers A, B and C are in the ratio 1 : 2 : 3. Their average is 600. If A is increased by 10%. and B is decreased by 20%, then to get the average increased by 5%, C will he increased by 90 b. 100 c. 150 d. 180

What will be the pH and % alpha ( degree of hydrolysis ) respectively for the salt BA of 0.1M concentration ? Given : K_(a) for HA=10^(-6) and K_(b) for BOH=10^(-6) (a) 5,1% (b) 7, 10% (c) 9, 0.01% (d) 7, 0.01%

2, 5, 10, 50, 500, 5000 (a) 0 (b) 5 (c) 10 (d) 5000