1. | {(476 + 424)2 - 4 x 476 x 424} = ? |
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Answer: Option C Explanation:
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2. |
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Answer: Option B Explanation: Given Exp. =(1000)9=(103)9=(10)27= 10(27-24) = 103 = 1000102410241024 |
3. | 3 + 33 + 333 + 3.33 = ? |
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Answer: Option B Explanation: 3 + 33 + 333 + 3.33 ------ 372.33 ------ |
4. | 287 x 287 + 269 x 269 - 2 x 287 x 269 = ? |
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Answer: Option D Explanation:
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5. | 8988 � 8 � 4 = ? |
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Answer: Option D Explanation: Given Exp. = 8988 x1/8x1/4=2247/8= 280.875 |
6. | 8796 x 223 + 8796 x 77 = ? |
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Answer: Option B Explanation:
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7. | A number when divided successively by 4 and 5 leaves remainders 1 and 4 respectively. When it is successively divided by 5 and 4, then the respective remainders will be |
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Answer: Option B Explanation: 4 | x y = (5 x 1 + 4) = 9 -------- 5 | y -1 x = (4 x y + 1) = (4 x 9 + 1) = 37 -------- | 1 -4 Now, 37 when divided successively by 5 and 4, we get 5 | 37 --------- 4 | 7 - 2 --------- | 1 - 3 Respective remainders are 2 and 3. |
8. | 106 x 106 - 94 x 94 = ? |
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Answer: Option A Explanation:
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