The mean of the data 9, 3, 5, 4, 4, 5 and y is y. What is the mode of the data?
The cost incurred by Mahesh to produce an item in the factory was ₹2,000. He had to spend 10% of the production cost incurred on the item in the factory to transport it to the showroom. He sold the item from the showroom at a price that was 15% above the total cost incurred by Mahesh in the production and transportation of the item. What was the price at which Mahesh sold the item from the showroom?
A cyclist covers a distance of 2.5 km in 4 minutes 10 seconds. How long will he take to cover a distance of 6 km at the same speed?
The HCF of 45, 78 and 117 is:
Find the volume of a sphere whose diameter is 12 cm.
Which of the following is NOT a true statement?
The average of thirteen consecutive integers is 36. If two times the smallest of these 13 integers is added to the largest of these 13 integers, what will be the sum obtained?
Solve: 2(5x - 3) + 3(3x - 5) = 93
There are three numbers which are co-prime to one other such that the product of the first two is 357 and that of the last
two is 609, What is the sum of the three numbers?
A sum of money is to be distributed among four members A, B, C, and D in the ratio 4: 7: 9: 3. If C gets 720 more than D. find D's share.
A dealer allows 30% discount on the marked price of an item and still makes a profit of 10%. By how much percentage is the marked price more than the cost price (rounded off to two places of decimal)?
A bike running at a speed of 50 km/h reaches its destination 10 minutes late. If it runs at 60 km/h it is late by 5 minutes. How many minutes should the bike take, travelling at usual speed to complete the journey on the same route to reach on time?
If a sum of money doubles itself in 10 years at compound interest, then in how many years will it become 16 times of itself at the same rate?
If A bought an item for ₹384 and sold it for ₹576 and B bought another item for ₹1,254 and sold it for ₹1,672. What is the ratio of gain % of A to gain % of B?
Which two signs should be interchanged to make the given equation correct?
24 x 6 - 12 + 18 ÷ 3=46
The measure of each interior angle of a regular polygon is 120° How many sides does this polygon have?
The sum of three consecutive multiples of 9 is 2457, find the largest one.
Find the area of a rhombus whose diagonals are 12 cm and 15 cm long
A parallelogram having all sides equal and diagonals unequal is called a:
The cost price of an article is 64% of the marked price. Calculate the gain percent after allowing a discount of 4%.
The sum of roots of the equation 5x2−11x+6=0 is:
If mean of the data 11, 17, x + 1, 3x, 19, 2x-4, x + 5 is 21, then find the mode of the data.
The simple interest on a sum of money is 3/5 of the principal in 12 years. What is the rate of interest per annum?
The fourth proportion of 12, 24 and 45 is:
Find the area of a regular hexagon (in cm²) with sides of length 6 cm.
A fraction becomes 1/2 if 2 is added to the numerator and 5 is added to the denominator. It also becomes 1/3 if 2 is subtracted from both the numerator and denominator. Then the fraction is
Two trains start at the same time from Stations A and B respectively and travel towards each other at a speed of 60 km/h and 40 km/h, respectively. At the time they meet, the faster train has travelled 60 km more than the slower train. What is the distance between the two stations?
Find the fourth proportional of x + 7x, x + 5 and x + 6 if x = 3.
Two express trains of length 320 m and 380 m started moving from Ahmedabad to Delhi at the same time. Their speeds are 84 km/h and 42 km/h, respectively. In how many seconds will the faster train cross the slower train?
Mr. Saxena bought some pens at ₹150 a dozen. He sold them for ₹15 each. What is his profit/loss per cent?
If △ ABC is similar to ADEF such that 2AB = DE and BC = 8 cm, then EF is equal to:
If 1+3 and 1−3 are the roots of a quadratic equation, then the quadratic equation is:
Find the cost of fencing of a rectangular land, if it has an area of 100 m² and one side of length 20 m at a rate of 30 per meter.