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Browse complete papersThe average weight of a group of men is 77.5 kgs. The average weight of a group of women is 70 kgs. The average weight of all the persons of both groups is 74 kgs. The ratio of the number of men and women in the two groups is
5 : 6
8 : 7
12 : 17
10 : 13
Correct answer
5 : 6
A and B enter into a partnership by investing Rs. 24,000 each. But B has borrowed his investment amount from A at the rate of 10% per annum. To look after the business, B will be paid Rs. 120 per month as salary. At the end of the year, if B's income is half of the income of A, then the total profit is
10,080
9,660
12,000
12,060
Correct answer
10,080
The wages of 3 boys are equal to the wages of 2 men. The amount of work done by 3 men is equal to the amount of work done by 5 boys. If 40 boys and 15 men worked for 8 weeks to complete a work and the total wages they got are equal to Rs.12,600 then the wages 20 boys and 20 men get to complete that work is (in rupees)
12,285
12,730
24,570
12,570
Correct answer
12,285
Ratio of A's last year salary and current year salary is 4 : 5, whereas the ratio of the similar type of salaries of B is 2 : 3. The ratio of the last year salaries of A & B is 3 : 4. If B's present salary is Rs. 25,600, then A's last year salary is (in Rupees)
12,800
16,000
15,480
10,800
Correct answer
12,800
The ratios of the ages of two persons before 6 years and after 6 years are 3 : 8 and 7 : 12 respectively. Their present ages respectively are
10, 30
20, 35
15, 30
12, 25
Correct answer
10, 30
In a cylindrical vessel of height 14 cm and radius 5 cm, seven spheres of radius 3 cm were kept. The amount of water that fills the cylindrical vessel is (in cubic cm)
308
452
336
412
Correct answer
308
In the given four digit number 3x57 and in the number formed by writing the digits of the given number in reverse order, the difference of the place values of x is
1000
190
90
10
Correct answer
1000
A shopkeeper bought each packet of 12 articles for Rs. 51 and sold them as a packet of 15 articles, each for Rs. 71.25. If he gets a profit of Rs. 90, the number of articles he sold is
90
270
180
120
Correct answer
90
A is thrice efficient than B. To finish a job independently, the difference of the days they take is 60. If both of them work together and complete \(\frac{1}{3}\)rd of the work and remaining work is done by B alone, the total number of days they took to complete the work is
75
70
67.5
72.5
Correct answer
75
The fraction equivalent to \(2.5\bar 7\) is
\(\frac{232}{99}\)
\(\frac{232}{90}\)
\(\frac{257}{90}\)
\(\frac{257}{99}\)
Correct answer
\(\frac{232}{99}\)