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Two students appeared for an examination. One of them secured 10 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are ? दो छात्र एक परीक्षा के लिए उपस्थित हुए। उनमें से एक ने दूसरे की तुलना में 10 अंक अधिक हासिल किए और उसके अंक उन दोनों के अंकों के योग का 75% थे। उन दोनों के द्वारा प्राप्त अंक हैं ? |
| A) 52 and 42 B) 68 and 58 C) 63 and 53 D) 15 and 5 Correct Answer : 15 and 5 Explanation : Let, the marks of first students be x Then marks of second students be (x + 10) x + 10 = 3/4 (2x + 10) |
A certain company has 120 employees who are engineers. Here, engineers constitute 30% of its work force. How many people are employed in the company? एक कंपनी में 120 कर्मचारी हैं जो इंजीनियर हैं। यहां, इंजीनियर के 30% कार्यबल का गठन होता हैं। कंपनी में कितने लोग कार्यरत हैं? |
| A) 500 B) 400 C) 300 D) 200 Correct Answer : 400 Explanation : Let the number of employee = X 30% of X = 120 |
23% of a bucket full of diluted milk was water. If the quantity of pure milk in the bucket was 15.4 liter, then the capacity of the bucket was ? |
| A) 20 liter
B) 22 liter
C) 20.9 liter
D) 19.8 liter
Correct Answer : 20 liter Explanation : capacity of the bucket = X pure milk in bucket = X - 23*X/100 = 15.4 |
If x is 15% of y and y is 40% of z, then x+y is what % of z ? |
| A) 6
B) 21
C) 46
D) 55
Correct Answer : 46 Explanation : Let z= 100 So, y is 40% of z = 40 x+y= 46 that is 46% of z |