Railway RRB RRC NTPC,GROUP-D FREE MOCK TESTS/ARITHMETIC TEST-01

1/10

Which is not a measurement of central tendency?

Mean

Mode

Standard deviation

Median

2/10

By selling a CPU for Rs.8395, a man makes a profit of 15%. At what price should he sell it to make a profit of 25%? (in Rs.)

9025

9325

9225

9125

Explanation: 8395*125/115=9125

3/10

2650 boys and 1100 girls are examined in a test; 42% of the boys and 36% of the girls pass the test. The percentage of the total who failed is

57.76

58.76

59.76

56.76

4/10

The ratio of number of girls to boys in a school of 4860 students is 53:55. How many more girls should be admitted to make the ratio 1:1?

90

92

86

88

5/10

Two bells ring at intervals of 63 seconds and 74 seconds. If they both ring at 10 O'clock in the morning together, after how many seconds will they ring together again?

4772

4552

4882

4662

Explanation: DO LCM TO GET ANSWER

6/10

"A train passes a station platform in 69 seconds and a man standing on the platform in 53 seconds. If the speed of the train is 29 m/s, what is the length of the platform? (meter)"

494

464

474

484

7/10

On dividing a number by 511, we get 72 as remainder. On dividing the same number by 73, what will be the remainder?

74

75

73

72

8/10

The arithmetic average which is obtained by suming up all the observations and dividing the total by the number of observations is called

Standard deviation

Mode

Mean

Median

9/10

By selling a CPU for Rs.5405, a man makes a profit of 15%. At what price should he sell it to make a profit of 25%? (in Rs.)

5865

5875

5885

5895

10/10

On dividing a number by 329, we get 46 as remainder. On dividing the same number by 47, what will be the remainder?

24

32

44

46

Result:

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