77 − 41 + 34 + (21 + 18) × 2 − 55= ?
Show answer & explanation
Correct answer: D
Explanation
77 − 41 + 34 + (21 + 18) × 2 − 55
77 − 41 + 34 + 39 × 2 − 55
77 − 41 + 34 + 78 − 55
= 36 + 34 + 78 − 55
= 70 + 78 − 55
= 148 − 55
= 93
4 February 2026 • 90 questions
Mock testSource label: Test Series
Question 1 / 90
77 − 41 + 34 + (21 + 18) × 2 − 55= ?
Correct answer: D
Explanation
77 − 41 + 34 + (21 + 18) × 2 − 55
77 − 41 + 34 + 39 × 2 − 55
77 − 41 + 34 + 78 − 55
= 36 + 34 + 78 − 55
= 70 + 78 − 55
= 148 − 55
= 93