Practice Question and Answer
8Q: A card is drawn from a pack of 52 cards. The probability of getting a queen of the club or a king of the heart is? 1465 05b5cc6bde4d2b4197774d94c
5b5cc6bde4d2b4197774d94c- 11/26true
- 21/13false
- 32/13false
- 41/52false
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Answer : 1. "1/26"
Explanation :
Answer: A) 1/26 Explanation: Here in this pack of cards, n(S) = 52 Let E = event of getting a queen of the club or a king of the heart Then, n(E) = 2 P(E) = n(E)/n(S) = 2/52 = 1/26
Q: If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number? 3286 05b5cc6bde4d2b4197774d947
5b5cc6bde4d2b4197774d947- 15.65false
- 22.7false
- 33.5true
- 46.66false
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Answer : 3. "3.5"
Explanation :
Answer: C) 3.5 Explanation: Let the number is = x (89)2 + x2 = 16202 x2 = 8281 x = 91 => (1/26) of 91 = 3.5
Q: A man can row upstream at 16 km/hr and downstream at 24 km/hr. Find the speed of the current. 1862 05b5cc6bde4d2b4197774d942
5b5cc6bde4d2b4197774d942- 14 kmphtrue
- 26 kmphfalse
- 35 kmphfalse
- 43 kmphfalse
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Answer : 1. "4 kmph"
Explanation :
Answer: A) 4 kmph Explanation: Speed of the current = 24-16/2 = 8/2 = 4 km/hr.
Q: 28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days? 2019 05b5cc6bde4d2b4197774d93d
5b5cc6bde4d2b4197774d93d- 116false
- 218true
- 319false
- 421false
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Answer : 2. "18"
Explanation :
Answer: B) 18 Explanation: Clearly total persons are increased in 28/35 :: 52/65 = 4:5. As time is inversely proportional to men, so total time will decrease in the ratio 5:4. Hence, 22.5 x 4/5 = 18 days.
Q: In which city Indian Railways has installed Asia’s largest Solid State Interlocking (SSI) system? 1358 05b5cc6bde4d2b4197774d938
5b5cc6bde4d2b4197774d938- 1Kolkatafalse
- 2Lucknowfalse
- 3Hyderabadfalse
- 4Kharagpurtrue
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Answer : 4. "Kharagpur"
Explanation :
Answer: D) Kharagpur Explanation:
Q: Find which of the two conclusions I and II given below is/are definitely true from the the given statements. Statements: I > W > T > N, I = F = G = C Conclusions: I. W > I II. C > N 1199 05b5cc6bde4d2b4197774d933
5b5cc6bde4d2b4197774d933- 1Only Conclusion I is truefalse
- 2Only Conclusion II is truetrue
- 3Both conclusions I & II are truefalse
- 4Neither conclusion I nor II is truefalse
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Answer : 2. "Only Conclusion II is true"
Explanation :
Answer: B) Only Conclusion II is true Explanation: From the given Statements : 1. I > W > T > N 2. F = G = C Conclusions are : I. W > I (False) II. C > N (True)
Q: _________ is a specialized server that enables the client to share application and data across the network. 1932 45b5cc6bde4d2b4197774d92e
5b5cc6bde4d2b4197774d92e- 1Mass Serverfalse
- 2File servertrue
- 3Data Serverfalse
- 4Host Serverfalse
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Answer : 2. "File server"
Explanation :
Answer: B) File server Explanation:
Q: If 15% of x = 20% of y, then x:y is ___? 2357 05b5cc6bde4d2b4197774d929
5b5cc6bde4d2b4197774d929- 14:3true
- 25:4false
- 34:5false
- 43:4false
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Answer : 1. "4:3"
Explanation :
Answer: A) 4:3 Explanation: Given 15% of x = 20% of y => 15x = 20y => x/y = 20/15 => x : y = 4 : 3