Replace x in 72×94 so that the number is divisible by 11.
Correct answer(s):
- 0
Topic
Arithmetic & Number System
Practice related MCQ quizzes and improve step by step.
Quizzes in Arithmetic & Number System
Replace x in 54×23 so that the number is divisible by 11.
Correct answer(s):
- 9
Replace x in 81×26 so that the number is divisible by 9.
Correct answer(s):
- 1
Replace x in 26×73 so that the number is divisible by 9.
Correct answer(s):
- 9
- 0
Replace x in 58×41 so that the number is divisible by 9.
Correct answer(s):
- 9
- 0
Replace x in 93×15 so that the number is divisible by 9.
Correct answer(s):
- 9
- 0
Replace x in 74×52 so that the number is divisible by 9.
Correct answer(s):
- 9
- 0
Find the units digit of 19^411.
Correct answer(s):
- 9
Find the units digit of 17^319.
Correct answer(s):
- 3
Find the units digit of 13^222.
Correct answer(s):
- 9
Find the units digit of 2^517.
Correct answer(s):
- 2
Find the units digit of 4^135.
Correct answer(s):
- 4
Find the units digit of 8^88.
Correct answer(s):
- 6
Find the units digit of 6^999.
Correct answer(s):
- 6
Find the units digit of 3^144.
Correct answer(s):
- 1
Find the units digit of 9^2025.
Correct answer(s):
- 9
Find the units digit of 7^2026.
Correct answer(s):
- 9
How many positive integers not exceeding 96 are relatively prime to 96?
Correct answer(s):
- 32
How many positive integers not exceeding 90 are relatively prime to 90?
Correct answer(s):
- 24
How many positive integers not exceeding 84 are relatively prime to 84?
Correct answer(s):
- 24