Number System Questions Practice Question and Answer
8 Q: The sum of square of two numbers is 68 and square of the difference of them is 36. Then multiplication value of the two is.
3062 05e78773306880567cada077c
5e78773306880567cada077c- 116true
- 232false
- 358false
- 430false
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Answer : 1. "16 "
Q: If 13 + 23 + .....+103 = 3025 then 4 + 32 + 108 + ..... 4000 is equal to -
3055 060be07d39f482d735c8f2faf
60be07d39f482d735c8f2faf- 112300false
- 212500false
- 312100true
- 411800false
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Answer : 3. "12100"
Q: A boy added all natural numbers from 1 to 10, however, he added one number twice due to which the sum becomes 58. What is the number which he added twice?
3043 05ef4040481a47f2e7aef96ba
5ef4040481a47f2e7aef96ba- 14false
- 27false
- 33true
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Answer : 3. "3"
Q: Smallest prime number greater than 200? 2933 05b5cc607e4d2b4197774b519
5b5cc607e4d2b4197774b519- 1201false
- 2205false
- 3211true
- 4203false
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Answer : 3. "211"
Explanation :
Answer: C) 211 Explanation: From the trial and error method of division, 201 is divisible by 3 205 is divisible by 5 203 is divisible by 7 Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself. Therefore, 211 is the smallest prime number greater than 200.
Q: Which is the smallest prime number?
2889 05eb4f60cffc62d0a81dcc2d4
5eb4f60cffc62d0a81dcc2d4- 10false
- 21false
- 32true
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Answer : 3. "2 "
Q: What approximate value will come in place of the question mark (?) in the following questions?
175 x 28 + 275 x 27.98 =?
2825 05e4d0129dfffd759fd0c71d7
5e4d0129dfffd759fd0c71d7- 111800false
- 212600true
- 312800false
- 411600false
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Answer : 2. "12600 "
Q: If $$ x=(164)^{169}+ (333)^{337}-(727)^{726}$$ then what is the units digit of x?
2779 15f40e0b3b8958f14fa2b5a16
5f40e0b3b8958f14fa2b5a16- 15false
- 29false
- 37false
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Answer : 4. "8"
Q:Direction : What should come in place of the question (?) in the following question.
35% of 430 + ? % of 360 = 276.5
2755 05da0649f31905d28533668fd
5da0649f31905d28533668fd- 130false
- 225false
- 345false
- 415false
- 5none of thesetrue
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