SSC CGL · Quantitative Aptitude
Number System
Divisibility, HCF/LCM, factors, fractions, decimals, surds.
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Take a full mock →Q1 · Number System · EASY
The HCF of 144, 180 and 192 is:
Q2 · Number System · MEDIUM
The smallest number which, when divided by 8, 9 or 10, leaves a remainder of 3 in each case, is:
Q3 · Number System · MEDIUM
The unit digit of 7^105 is:
Q4 · Number System · EASY
The sum of the first 50 natural numbers is:
Q5 · Number System · MEDIUM
Find the greatest number that will divide 148, 246 and 623 leaving remainders 4, 6 and 11 respectively.