An employer reduces the number of his employees in the ratio 9 : 8 and increases their wages in the ratio 14 : 15. If the original wage was Rs. 18,900, then find the ratio of the old wage bill to the new one.
Directions: Study the given information carefully to answer the question that follows:
Percentage of students eating various meals (P, Q, R, S, T and W) and percentage of boys out of these are given in the following figures.
Total number of students: 1500 (600 boys + 900 girls)
Percentage of students eating various meals:
Percentage of boys eating various meals:
Q. For which of the following pairs of meals is the number of boys the same?
1 Crore+ students have signed up on EduRev. Have you? Download the App 
According to a will, the wealth of Rs. 11,50,000 was to be divided between the son and the daughter in the ratio 2/3 : 5/4, respectively. How much share did the son get (in Rs. lakh)?
The value of k for which the graph of (k – 1) x + y – 2 = 0 and (2 – k) x – 3y + 1 = 0 are parallel is
Directions: Identify the missing number in the series given below.
3, 10, 25, 56, 119, 246, ?
A and B earn in the ratio 2 : 1. They spend in the ratio 5 : 3 and save in the ratio 4 : 1. If the total monthly savings of both A and B are Rs. 5,000, the monthly income of B is
If a boat goes upstream at a speed of 18 km/hr and comes back the same distance at 30 km/hr, then what is the average speed (in km/hr) for the total journey?
If a sum of money placed at compound interest, compound annually, doubles itself in 5 years, then the same amount of money will be 8 times of itself in
The average monthly expenditure of a family for the first four months is Rs. 2570, for the next three months is Rs. 2490 and for the last five months Rs. 3030. If the family saves Rs. 5320 during the whole year, then the average monthly income of the family during the year is
A, B and C can do a job in 6 days, 12 days and 15 days, respectively. After 1/8 of the work is completed, C leaves the job. Rest of the work is done by A and B together. Time taken to finish the remaining work is
Directions: Identify the missing number in the series provided.
1, 2, 33, 290, 2373, ?
A tower stands on the top of a building which is 40 metres high. The angles of depression of a point situated on the ground from the top and bottom of the tower are found to be 60° and 45°, respectively. What is the height (in metres) of the tower?
While selling, a businessman allows 40% discount on the marked price and there is a loss of 30%. If it is sold at the marked price, then the profit percentage will be
The value on an article depreciates every year at the rate of 10% of its value. If the present value of the article is Rs. 729, then its worth 3 years ago was
In which year Arun's salary increased the highest percentage in respect of the previous year?
A bag contains ₹ 90 in coins. If coins of 50p, 25p and 10p are in the ratio 2 ∶ 3 ∶ 5, how many 25p coins are there in the bag?
How many natural numbers are in between 120 and 519 which are exactly divisible by both 3 and 7 ?
Rs. 68,000 is divided among A, B, and C in the ratio of ½ : ¼ : 5/16. The difference between the greatest part and the smallest part is
What is the probability of getting all heads if three coins are tossed simultaneously?
If the square of a twodigit number is reduced by the square of the number formed by reversing the digits of the number, the final result is:
In a city, 65% people are rice eaters, 40% people are wheat eaters and 25% are both rice and wheat eaters. What percent of the people are neither rice eaters nor wheat eaters?
The length, breadth and height of a rectangular cuboid are 20 m, 5 m and 25 m respectively. If the length increases by 25%, breadth increases by 15%, and height decreases by 10%, what will be the corresponding increase or decrease in the volume of the cuboid?
The incomes of α and β are in the ratio 9 : 4 and their expenses are in the ratio 7 : 3. If each saves ₹4,500, then what is the expenditure of β?
A Cruise ship goes downstream 250 km from Kanpur to Allahabad in 5 hours. Cruise speed in still water is 40 km/hr. Find the time taken by cruise when it Returned to Kanpur at the same speed.
Study the graph given below and answer the following question.
The below chart shows the percentage wise distribution of the number of people visits cinema hall in the respective days.
The total number of visitors = 400
The below table shows the ratio of the number of male and female visitors in the respective days.
Find the ratio of the number of male visitors on Tuesday to the number of female visitors on Wednesday.
Conical cavity is drilled in a circular cylinder of height 15 cm and base radius 8 cm. The height and base of the radius of the cone are also same as cylinder. Find the whole surface area of remaining solid?
If (a^{2}  b^{2})sinθ + 2abcosθ = a^{2} + b^{2}, then find the value of tanθ.
A seller sells a bat at a profit of 40 %. Had he bought it at 20% more and sold it for 120 more the profit will be 100 %. Find the cost price of the bat.
66 docs110 tests

66 docs110 tests
