• 600

  • 300

  • 200

  • 150


Here , The average of marks was found to be 50 Let total number of candidates be n. According to question, тИ┤ 50n тАУ 30 ├Ч 100 = 45n тЗТ 50n - 45n = 30 ├Ч 100 тЗТ 5n = 3000 тЗТ n = 3000 ├╖ 5 = 600

In an institute, 60% of the students are boys and the rest are girls. Further 15% of the boys and 7.5% of the girls are getting a fee waiver. If the number of those getting a fee waiver is 90, find the total number of students getting 50% concessions if it is given that 50% of those not getting a fee waiver are eligible to get half fee concession?

In an Isosceles triangle , if the unequal angle is twice the sum of equal angles, then each equal angle is

In an office in Singapore there are 60% female employees. 50 % of all the male employees are computer literate. If there are total 62% employees computer literate out of total 1600 employees, then the no. of female employees who are computer literate ?

In Aruns opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Aruns weight is greater than 60 kg but less than 70 kg. His mothers view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?

In Aruns opinion, his weight is greater than 65 kg but less than 72 kg. His brother doest not agree with Arun and he thinks that Aruns weight is greater than 60 kg but less than 70 kg. His mothers view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?

In class of 250 students, 75.8% took French and 49.4% took Latin. How many students took both French and Latin?

In company there are 75% skilled workers and reaming are unskilled. 80% of skilled workers and 20% of unskilled workers are permanent. If number of temporary workers is 126, then what is the number of total workers ?

In finding the HCF of two numbers by division method, the last divisor is 18 and quotients are 2, 7 and 3. Find the numbers.

In finding the HCF of two numbers by division method, the last divisor is 49 and the quotients are 17, 3, 2. Find the two numbers.

In how many different ways can the letters of the word LEADING be arranged in such a way that the vowels always come together?

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