51 years ago in Numerical Aptitude

# A man can do a piece of work in 7 days, but with the help of his son, he can do it in 5 days. In what time can the son do it alone?एक व्यक्ति एक काम को 7 दिन में कर सकता है, लेकिन अपने बेटे की मदद से वह इसे 5 दिनों में कर सकता है| लड़का अकेले इसे कितने समय में पूरा कर सकता है?

[A] <span class="math-tex">$$17\frac{1}{2}\;$$</span> days<br/><span class="math-tex">$$17\frac{1}{2}\;$$</span> दिन
[B] 18 days<br/>18 दिन
[C] <span class="math-tex">$$12\frac{1}{2}$$</span> days<br/><span class="math-tex">$$12\frac{1}{2}$$</span> दिन
[D] <span class="math-tex">$$16\frac{1}{2}$$</span> days<br/><span class="math-tex">$$16\frac{1}{2}$$</span> दिन

## Overall Stats

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ram manohar - 2 years ago

ram manohar from Hyderabad, India is saying $$17\frac{1}{2}\;$$ days
$$17\frac{1}{2}\;$$ दिन

Nazia Sayed - 3 years ago

Nazia Sayed from Mumbai, India is saying 18 days
18 दिन

SARANG - 3 years ago

SARANG from Patna, India is saying $$17\frac{1}{2}\;$$ days
$$17\frac{1}{2}\;$$ दिन

## Related Questions

### Milk man sells his milk at its cost price but measures 850 milliliters instead of 1000 milliliters. Find his gain percent?एक दूधवाला अपने दूध को लागत मूल्य पर बेचता है, लेकिन वह 1000 मिली के बजाय 850 मिली ही नापता है| उसका लाभ प्रतिशत क्या है?

• [A] $$17\frac{{11}}{{17}}\%$$
• [B] $$7\frac{1}{{12}}\%$$
• [C] $$33\frac{1}{3}\%$$
• [D] 15%

• [A] 90
• [B] 150
• [C] 250
• [D] 320

• [A] 37
• [B] 36
• [C] 39
• [D] 30

• [A] 18 years
18 वर्ष
• [B] 30 years
30 वर्ष
• [C] 42 years
42 वर्ष
• [D] 36 years
36 वर्ष

• [A] 17
• [B] 19
• [C] 22
• [D] 20