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veer from the Bishops school , pune

Subject :IMO Class : Class 8

A number consist of two digits. The digit in the ten’s place exceeds the digit in the unit’s place by 4. The sum of the digits is of the number. Find the twice of number obtained by interchanging the digits.

A35
B48
C96
D84

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veer from the Bishops school , pune

Subject :IMO Class : Class 8

Which of the following is true for the rational numbers

A(a × b) × c = a × c + b × c
B(a ÷ b) × c = a × c – b × c
C(a – b) × c = a × c – b × c
Da × (b + c) = a × c – b × c

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Aarna Gupta from DPS EAST, BANGALORE , Bengaluru

Subject :IMO Class : Class 9

ax + by + c = 0 does not represent an equation of line, if ______.

Aa = c = 0, b ≠ 0
Bb = c = 0, a ≠ 0
Ca = b = 0
Dc = 0, a ≠ 0, b ≠ 0

isint the answer c

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Vaishnavi Sahu from St Johns English School and Junior College, Chennai

Subject :IMO Class : Class 5

On field day, Nitin jumped 4⁷⁄₁₂ feet and Anil jumped 3¹⁄₆ feet. How much farther did Nitin jump than Anil ?

A 2 feet
B 1⁵⁄₆ feet
C 1⁵⁄₁₂ feet
D ⁵⁄₁₂ feet