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

0
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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