10 Important Math MCQs for most of the competitive exams
Que 1: The prime numbers dividing 109 and leaving remainder of 4 in each case, are
(A) 5 and 7
(B) 2 and 11
(C) 3 and 7
(D) 11 and 12
Correct Ans: A
Que 2: One-ninth of a certain number exceeds its one-tenth by 4. The number is
(A) 320
(B) 360
(C) 400
(D) 440
Correct Ans: B
Que 3: How many prime factors does the number 666666 have?
(A) 4
(B) 5
(C) 6
(D) 7
Correct Ans: B
Que 4: The two numbers are in the ratio of 2:3 and the product of their HCF and LCM is 33750 the sum of the number is.
(A) 250
(B) 425
(C) 325
(D) 375
Correct Ans: D
Que 5: 4 - [5+1-(4-3) ]=?
(A) -2
(B) -1
(C) 2
(D) 3
Correct Ans: B
Que 6: A train is going at a speed of 180 kilometre per hour its speed is
(A) 15 m/s
(B) 30 m/s
(C) 40 m/s
(D) 50 m/s
Correct Ans: D
Que 7: A man completes 30 km of a journey at 6 km/h and the remaining 40 kilometre in 5 h. his average speed for whole journey is
(A) 70/11 km /h
(B) 7 km/h
(C) 7.5 km/h
(D) 8 km/h
Correct Ans: B
Que 8: A is twice as fast as B and B is thrice as fast as C. the journey covered by C in 42 min will be covered by A in
(A) 7 min
(B) 28 min
(C) 63 min
(D) 14 min
Correct Ans: A
Que 9: A man covers half of his journey at 6 kilometre per hour and the remaining half at 3 kilometre per hour his average speed is
(A) 4.5 km/h
(B) 3 km/h
(C) 4 km/h
(D) 9 km/h
Correct Ans: C
Que 10: If a train runs at 40 km/h it reaches its destination late by 11 min, but if it runs at 50 km/h it is late by 5 min only. the correct time for the train to complete its journey is
(A) 15 min
(B) 21 min
(C) 13 min
(D) 19 min
Correct Ans: D
Login to add Comments.