From a pack of 52 cards, two cards are drawn together at random. What is the probability of both the cards being kings?
(A)
(B)
(C)
(D)
(E) None of these
A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?
(A)
(B)
(C)
(D)
(E) None of these
An item is sold at two successive gains of 30% and 20%. If the final selling price is Rs 31200, then what is the cost price (in Rs)?
(A) 15000
(B) 24000
(C) 22250
(D) 20000
Allowing 20 % and 15 % successive discounts, the selling price of an article becomes ₹ 3,060; then the marked price will be:
(A) ₹ 4,500
(B) ₹ 4,000
(C) ₹ 4,400
(D) ₹ 5,000
Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 25.5 while the average of the largest three was 29.5. What is the range of the data?
(A) 10
(B) 15
(C) 12
(D) 14
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