If the number 7x5634 is divisible by 9, what is the value of the digit x?
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Correct answer: (C) 2
DSSSB TGT / PGT · Mathematics
Number System Previous Year Questions
9 Number System (Mathematics) questions asked in DSSSB TGT / PGT previous year papers, each with the correct answer and explanation. Read them free on UTpaper, or attempt the full papers as timed online tests.
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Other Mathematics topics
The greatest number that divides 410, 751 and 1030 leaving a remainder 7 in each case is:
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Correct answer: (C) 31
What is the sum of all natural numbers from 1 to 100 that are divisible by 7?
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Correct answer: (A) 735
The HCF and LCM of two numbers are 12 and 336 respectively. If one of the numbers is 84, the other number is:
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Correct answer: (B) 48
What is the remainder when 2³¹ is divided by 5?
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Correct answer: (C) 3
What is the unit digit of 7⁹⁵ × 3⁵⁸?
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Correct answer: (C) 7
Find the least number which when divided by 12, 15, 20 and 54 leaves a remainder of 8 in each case.
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Correct answer: (A) 548
For what value of M, 859M is divisible by 9?
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Correct answer: (A) 5
Explanation
For divisibility by 9 the digit sum must be a multiple of 9: 8 + 5 + 9 + M = 22 + M, so M = 5 (sum 27).
What is the Highest Common Factor of 12, 36 and 240
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Correct answer: (A) 12
Explanation
12 divides 36 (12 × 3) and 240 (12 × 20), and no larger number divides 12, so the HCF is 12.
How to use these DSSSB TGT / PGT Mathematics questions
Every question here was asked in a real DSSSB TGT / PGT paper; the paper and shift are shown on the card, and the number opens the question on its own page. Try each one before tapping Show answer, then attempt the full DSSSB TGT / PGT papers as timed tests to check your speed under exam conditions.