2.5       (a) 8.10  (b) 8.51 (approx.)   (c) 18.05   (d) 80.50 (approx.)

5quad (a)2.80 (b) 12.80 (c) 20.08(approx.) (d) 21.80 (approx.)

A farmer sold a cow and an ox for Rs. 800 and got a profit of 20% on the cow and 25% on the ox. If he sells the cow and the ox for Rs. 820 he gets a profit of 25% on the cow and 20% on the ox. The individual cost price of the cow and the ox is. a. Rs. 530.60,130.60 (approx) b. Rs. 515.60, Rs.115.60 (approx) c. Rs. 531.50, Rs. 135.6 (approx) d. Cannot be determined

The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is (a) 4550quad (c) 51.4 approx.(d)54.6 approx.

7, 8, 18, 57, 228, 1165, 6996 (a) 8 (b) 18 (c) 57 (d) 228 (e) 1165

sqrt((9. 5xx. 085)/(. 0017xx. 19)) equals (a) .05 (b) 5 (c) 50 (d) 500

Calculate pH of the following mictures , Given that K_(a) = 1.8 xx 10^(-5) and K_(b) = 1.8 xx 10^(-5) (a) 50 mL of 0.05 NaOH + 50 ml of 0.10 M CH_(3)COOH (b) 50 ml of 0.10 NaOH + 50 ml of 0.10 M CH_(3) COOH

(-5)/(13)+?=-1 8/(13) (b) (-8)/(13) (-18)/(13) (d) (18)/(13)

11 : 5 :: 17 : ? (A) 6 (B) 8 (C) 10 (D) 12

Solve (294-:14xx5+11)/(?)=8^(2)-:5+1.7 (a) 8 (b) 6 (c) 12 (d) 5 (e) 10

Find the square root of 0.0324. (a)1.8 (b)1.08 (c)0.018 (d)0.18