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Number System (Properties practice problem - 2) (in Hindi)
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Number System (Properties practice problem - 2) (in Hindi)

Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. More than 20000 students selected.

Comments
(7)
U
Unacademy user
Aman sir! Awesome Courses you are providing to us. Waiting for HISTORY and GEOGRAPHY Courses.
Ms
sir pls explain the 3 rd question.......ni samj aya
V
Vaishnavi
5 hours ago
Either p or q is 5. As we are asked to determine which choice MUST be multiple of 25, right answer choice must have BOTH, p & q in power of 2 or higher to guarantee the divisibility by 25. Only D offers this. So, the correct option is D.
Sir I do not understand last problem please understand thoroughly
Sir, i didn't understand the last question, could you please explain it again somehow ?
not able to understand 3rd question
sir agar p ya q 5 k multiple ho gye to vo prime kese hue....5 k multiple to vo ek h case me ho skte agar vo khd 5 ho
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