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If * means adding 6 times the second num...

If * means adding 6 times the second number to the first number, then (1* 2 ) * 3 equals 21 (b) 31 (c) 91 (d) 93

A

121

B

31

C

93

D

91

Text Solution

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The correct Answer is:
B
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-NUMBER SYSTEM -MULTIPLE CHOICE QUESTIONS
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  2. A fraction becomes (1)/(3) when 1 is subtracted from both the numerat...

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  3. If * means adding 6 times the second number to the first number, th...

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  4. A number consists of two digits such that the digit in the tens pla...

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  5. In a two-digit number, the digit at the unit's place is 1 less than tw...

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  6. A 2 digit number is 3 times the sum of its digits. If 45 is added to t...

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  7. The sum of all the natural numbers from 51 to 100 is

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  8. The sum of all the 3 digit numbers is

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  9. The sum of the squares of three consecutive natural numbers is 2030. T...

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  10. Sum of two numbers is 40 and their product is 375.What will be the sum...

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  11. The difference between two positive integers is 3. If the sum o the...

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  12. Of the three numbers, the second is twice the first and it is also thr...

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  13. If the difference of two numbers is 3 and the difference of their squa...

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  14. The sum and product of two numbers are 11 and 18 respectively. The sum...

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  15. The product of two fractions is (14)/(15) and their quotient is (35)/(...

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  16. By how much does 6/(7//8) exceed (6//7)/8 ? 6 1/8 (b) 6 3/4 (c) 7 3...

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  17. A and B have together three times what B and C have, while A, B, C tog...

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  18. 0.1 and 5/8 of a bamboo are in mud and water respectively and the rest...

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  19. An 85 m long rod is divided into two parts. if one part is (2)/(3) of ...

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  20. In a class (3)/(5) of the students are girls and rest are boys.If (2)/...

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