31. The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.

(A) 105

(B) 102

(C) 107

(D) 103

32. If A =1 and OAR = 34, then ROAR =

(A) 51

(B) 50

(C) 52

(D) 53

33. Choose the one which is different or odd from the following.

(A) Copper

(B) Brass

(C) Aluminum

(D) Iron

34. According to the Constitution, the ratio between the length and breadth of the national tricolor should be -

(A) 2 : 1

(B) 4 : 3

(C) 3 : 2

(D) 3 : 1

35. If P traveled the first half of a journey at 40 km/hr and the remaining distance at 50 km/hr, what is the average speed of his travel?

(A) 45 km/hr.

(B) 60 km/hr

(C) 44.44 km/hr

(D) 53.33 km/hr

36. Find the LCM of 15, 25 and 29.

(A) 2175

(B) 2375

(C) 2335

(D) 3337

37. In 1981, ISRO launched India's first geostationary satellite called -

(A) Bhaskara II

(B) INSAT 1B

(C) Aryabhata

(D) APPLE

38. Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?

(A) Streptomycin

(B) Tetracycline

(C) Penicillin

(D) Prontosil

39. If '+' means x, `−' means ÷, 'x' means + and '÷' means −

then compute the value of the expression: 17+6x13÷8

(A) 110

(B) 109

(C) 100

(D) 107

40. Which among the following is true for the given numbers?

(A) 19/73 < 318 < 29/47 < 17/39

(B) 19/73 < 29/47 < 3/8 < 17/39

(C) 3/8 < 19/73 < 29/47 < 17/39

(D) 19/73 < 318 < 17/39 < 29/47

(A) 105

(B) 102

(C) 107

(D) 103

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [A] 105.

32. If A =1 and OAR = 34, then ROAR =

(A) 51

(B) 50

(C) 52

(D) 53

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [C] 52.

33. Choose the one which is different or odd from the following.

(A) Copper

(B) Brass

(C) Aluminum

(D) Iron

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [B] Brass.

34. According to the Constitution, the ratio between the length and breadth of the national tricolor should be -

(A) 2 : 1

(B) 4 : 3

(C) 3 : 2

(D) 3 : 1

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [C] 3 : 2.

35. If P traveled the first half of a journey at 40 km/hr and the remaining distance at 50 km/hr, what is the average speed of his travel?

(A) 45 km/hr.

(B) 60 km/hr

(C) 44.44 km/hr

(D) 53.33 km/hr

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [C] 44.44 km/hr.

36. Find the LCM of 15, 25 and 29.

(A) 2175

(B) 2375

(C) 2335

(D) 3337

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [A] 2175.

37. In 1981, ISRO launched India's first geostationary satellite called -

(A) Bhaskara II

(B) INSAT 1B

(C) Aryabhata

(D) APPLE

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [D] APPLE.

38. Which of the following was the first antibiotic discovered by Alexander Fleming in 1928?

(A) Streptomycin

(B) Tetracycline

(C) Penicillin

(D) Prontosil

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [C] Penicillin.

39. If '+' means x, `−' means ÷, 'x' means + and '÷' means −

then compute the value of the expression: 17+6x13÷8

(A) 110

(B) 109

(C) 100

(D) 107

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [D] 107.

40. Which among the following is true for the given numbers?

(A) 19/73 < 318 < 29/47 < 17/39

(B) 19/73 < 29/47 < 3/8 < 17/39

(C) 3/8 < 19/73 < 29/47 < 17/39

(D) 19/73 < 318 < 17/39 < 29/47

[RRB NTPC 02-04-2016 2nd Shift]

Correct Answer: [D] 19/73 < 318 < 17/39 < 29/47.

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