List of Mathematical Series Questions for Practice
The average of 6 numbers is 20. If a number is removed then average becomes 15. In place of removed number by adding a number 39 the average of new 6 number will be__
(A) 17
(B) 20
(C) 19
(D) 18
Correct Answer : C
A starts business with Rs.3500 and after 5 months, B joins with A as his partner. After a year, the profit is divided in the ratio 2:3. What B’s contribution in the capital?
(A) Rs 7500
(B) Rs. 8000
(C) Rs. 8500
(D) Rs. 9000
Correct Answer : D
P and Q entered into a partnership investing Rs.16000 and Rs.12000 respectively. After 3 months P withdrew Rs.5000 while Q invested Rs.5000 more. After 3 more months R joins the business with a capital of Rs.21000. The share of Q exceeds that of R, out of a total profit of Rs.26488 after one year by?
(A) Rs.3612
(B) Rs.3162
(C) Rs.3126
(D) Rs.3216
Correct Answer : A
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
Correct Answer : D
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
Correct Answer : A
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Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
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