Find the probability of selecting 2 green balls out of 4 green and 3 red balls. a) 6/7 b) 4/7 c) 3/7 d) 2/7 Sol:
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A shopkeeper sells his items using a faulty balance which measures 25% less. He then marks up his items 15% above the cost price. If he also gives a discount of 10%, then find his net profit percentage on 1 kg items. a) 33% b) 38% c) 30% d) 45% Sol:
Select the option that is related to the fi fth term in the same way as the second term is related to the first term and the fourth term is related to the third term. FAN33 : ICO0 : : NAP23 : QCQ44 : : GUN12 : ? A. JWO64 B. JWO512 C. JWO484 D.
The area of a trapezium is 180 and its height is 9 cm. If one of the parallel sides is longer than the other by 6 cm, find the two parallel sides a) 15 cm, 21 cm b) 14 cm, 20 cm c) 17 cm, 23 cm d) 12 cm, 18 cm Sol: Let one of
When 732 is divided by a positive integer x, the remainder is 12. How many values of x are there? (a) 19 (b) 20 (c) 18 (d) 16 Sol: When 732 is divided by x remainder is 12. So, the number exactly divisible by x is 720. The remainder is always less than the divisor,
The marked price of a shirt and a trouser are in the ratio 2 : 3. The shopkeeper gives 30% discount on the shirt. If the total discount is 20%. Then, the discount offered on the trouser is- a) 12 ½ b) 33 ⅓ c) 13 ⅓ d) 8 ⅓ Sol: Let MP of shirt
The area of an isosceles triangle is 60 and the length of each one of its equal sides is 13 cm. Find its base. a) 10 cm b) 8 cm c) 12 cm d) 16 cm Sol:
Find the maximum possible value of sec2 θ+cos2 θ a) 17/4 b) 2 c) not defined d) 19/4
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As shown in the given figure, inside the large semicircle, three semicircles (with equal radii) are drawn so that their diameters all sit on the large semicircle’s diameter. What is the ratio between the red and blue areas? a) 1:3 b) 1:2 c) 1:4 d) 2:3 Sol: Let the diameter of bigger circle be 6R.
A boat moves downstream at the rate of 1 km in 7.5 minutes and upstream at the rate of 5 km an hour. Find the speed of boat in still water. a) 8.5 km/h b) 6.5 km/h c) 7.00 km/h d) 8.00 km/h Sol: Speed of boat in still water = xkm/h (say) and that
