രണ്ടു അർദ്ധഗോളങ്ങളുടെ ആറ്റങ്ങൾ തമ്മിലുള്ള അനുപാതം 1:2 ആണെങ്കിൽ അവയുടെ ഉപരിതല വിസ്തീർണങ്ങൾ തമ്മിലുള്ള അനുപാതം എത്ര ?

If the radius of a sphere is increased by 2 cm, then its surface area increases by 704 cm². Using π = 22/7, find the radius of the sphere before the increase

ഒരാൾ 3000 രൂപ 12% പലിശ നിരക്കിൽ ഒരു ബാങ്കിൽ നിക്ഷേപിക്കുന്നു. എങ്കിൽ 2 വര്ഷം കഴിഞ്ഞ അയാൾക്ക് കിട്ടുന്ന തുക എത്ര ?

A cuboidal block, 12 cm by 24 cm by 30 cm, is cut up into an exact number of identical cubes. The least possible number of such cubes is:

A and B together complete a work in 8 days. If B is 25% more efficient than A, then in how many days will A alone complete the same work?

The sum of the first 8 prime numbers divided by 7 is equal to

The product of two numbers is 1472 and their HCF is 8. Find their LCM.

The equation x²-6x+9=0 can be written as:

The sum of the digits in a two-digit number is 9. If the value of the number is 6 more than 5 times the digit in the ones place, then the number is:

Mr. Sharma, Mr. Gupta and Ms Sinha invested ₹4,000, ₹8,000 and ₹6,000, respectively, in a business. Mr. Sharma left after 6 months. If after 8 months, there was a gain of 34,000, then what will be the share of Mr. Gupta?

The monthly incomes of two friends Anuj and Mathew, are in the ratio 5:7 and each of them saves ₹10,000 every month. If the ratio of their expenditure is 2: 3, find the income of Anuj.

Ramesh invested ₹1,232 at 5% p.a. rate of simple interest in a bank. What amount will he get after 3 years?

Hariteja walked to his school at a speed of 4 km/h and returned on a scooter at 20 km/h. His average speed during the two-way journey is

A shopkeeper bought 12 dozen eggs at the rate of 5 per egg. 12 eggs broke in transit. He sold the remaining eggs at the rate of 6 per egg. Find his percentage of profit

A starts from X at 9:00 a.m. and reaches Y at 1:00 p.m, on the same day, B also starts from Y at 9:00 a.m. and reaches X at 3 p.m on the same day, following the same route as A. At what time do the two meet?

The volume of a cylinder is 5500 m³. Find its diameter if the cylinder is 70 m high.

At what rate of per cent per annum will ₹1,300 give ₹520 as simple interest in 5 years?

The sum of double of the largest two-digit prime number and triple of the largest three-digit prime number is equal to

The mean proportional of 16 and 144 is

The product of the roots of $x^2 - 7x + 12 = 0 is______________

A shop which sells sarees had offers going on wherein customers could buy 3 sarees and get 2 free. What is the discount that the customer gets?

Two numbers are in the ratio 5: 3. If difference between the numbers is 54, then find the smaller number

By selling an item at a 10% profit a seller makes a profit of ₹777.70. Find the cost price of the item.

If I is added to each odd digit and 2 is subtracted from each even digit in the number 53478231, what will be the sum of the digits that are second from the left and second from the right?

3 pencils and 5 pens together cost ₹81, whereas 5 pencils and 3 pens together cost ₹71. The cost of 1 pencil and 2 pens together is:

In a right-angled triangle, if the hypotenuse is 4 units greater than one side and 8 units greater than the other, then find the area of the triangle.

The equivalent fraction of 4.2222... is:

From the numbers 51, 52, 53, ....100, find the sum of the smallest and the greatest prime numbers as given.

51 men can complete a work in 12 days. Four days after they started working 6 more men joined them. How many days will they now take to complete the remaining work?

The average of the first twelve multiples of 11 is: