Latest CTS Aptitude Question SOLUTION: last two digit in 15*51*97*63*37

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(#M40157103) CTS Numerical Ability question Keep an EYE

last two digit in 15*51*97*63*37

Asked In CTS chanchal asati (7 years ago)

Unsolved Read Solution (8)

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Gourab Bhowmik  (7 years ago)

step 1- take all the unit digit number and multiplying them 5*1*7*3*7 then we got 5. this is the unit digit.
step 2- each digit divided by 10 and multiplying all the reminder , and unit number we get 5.

ans is 55

Is this solution Helpfull? Yes (33) | No (6)  

sumit  (7 years ago)

unit digit: take all units digit of all number and multiply them 5*1*7*3*7=735 drop tens and hundred digit so we have 5 as units digit.
tens digits:divide all number by 10 and multiply their remainder and retain only last digit(5). (15 divided by 10 gives remainder as 5 similarly 51 divided by 10 gives 1 as remainder and so on )
answer will be 55

Is this solution Helpfull? Yes (15) | No (3)  

vijay pratap yadav  (7 years ago)

take the last digit of every number then multiply each number
5*1*7*3*7=735
so last 2 digit is 35

Is this solution Helpfull? Yes (3) | No (16)  

DECODER  (7 years ago)

Answer:35

Solution: 1.)multiply the unit digit of all numbers
(5*1*7*3*7)=...35
so last two digits are 35

Is this solution Helpfull? Yes (2) | No (23)  

sunil chouhan  (7 years ago)

very first we take unit digit to all the number so we got 5 and each digit divided by 10 and multiplying all the reminder and unit digit no we get 5 so ans 55

Is this solution Helpfull? Yes (2) | No (1)  

ashika sawali  (7 years ago)

(10+5)*(50+1)*(100-3)*(60+3)*(40-3)
5*1*3*3*3=135
then last digit =35

Is this solution Helpfull? Yes (1) | No (9)  

shailendra kaurav  (7 years ago)

step 1- multiplying them 5*1*7*3*7 then we got 5. this is the unit digit.
step 2- divided by 10 we get 5
=55

Is this solution Helpfull? Yes | No (1)  

sayan  (7 years ago)

multiply all numbers only last two digit (55)

Is this solution Helpfull? Yes | No (3)  

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