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प्रश्न
If 90% of x is 315 km, then the value of x is ______.
पर्याय
325 km
350 km
405 km
340 km
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उत्तर
If 90% of x is 315 km, then the value of x is 350 km.
Explanation:
Given,
90% of x = 315 km
⇒ `90/100 xx x = 315`
⇒ 90x = 315 × 100
⇒ `x = (315 xx 100)/90`
⇒ x = 350 km
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| (i) 3:5 | (A) ₹ 54 |
| (ii) 2.5 | (B) ₹ 47 |
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| (M) 3 : 2 | |
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| (O) 3 : 3 |
