Math Master - Bipin Kumar

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� Math Master - Competition, Patna
� Mentor: Bipin Kumar
� Shortcut Tricks & Logical Concepts
� Daily Quiz
� Target:Your Success!
� DM for Queries
� Maths teacher for competitive exam - ssc , railway , cds and others

25/05/2026

Comment your answer, 👇
1 minute 12 seconds is what percent of 1 hour ?
1 मिनट 12 सेकंड, 1 घंटे का कितने प्रतिशत है?
(a) 2%. (b) 10%.
(c) 12% (d) 20%

24/05/2026

3/5, 8/9 से कितने प्रतिशत कम है?
By what percentage is 3/5 less than 8/9?

(A) 32.5 %. (B) 31.5 %
(C) 30.5 %. (D) 29.5%

23/05/2026

👉 the number of pairs lying between 40 and 100 with their HCF as 15 is
40 और 100 के बीच स्थ युग्मों की संख्या, जिनका HCF 15 है
(A) 3
(B) 4
(C) 5
(D) 6