exam
Maths Puzzle
Numerical Ability
write a algebric equation for it
Subtract 7 from the sum of y and 22 times 5 and the result is 92
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exam Other Question
choosing from {16,17,23,24,39}, show how you can make a sum of exactly 100
Can someone help me calculate the 20th partial sum for 6400,1600,400,100,25...?