What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12
A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. of brand A are needed to make 40kgs. of the mixture?
A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
A wizard named Nepo says "I am only three times my son's age. My father is 40 years more than twice my age. Together the three of us are a mere 1240 years old." How old is Nepo?
Can you find out what day of the week was January 12, 1979?
Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
Find the least value of 3x + 4y if x2y3 = 6.
From 5 different green balls, four different blue balls and three different red balls, how many combinations of balls can be chosen taking at least one green and one blue ball?
In the given figure, PA and PB are tangents to the circle at A and B respectively and the chord BC is parallel to tangent PA. If AC = 6 cm, and length of the tangent AP is 9 cm, then what is the length of the chord BC?
Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
The square of a two digit number is divided by half the number. After 36 is added to the quotient, this sum is then divided by 2. The digits of the resulting number are the same as those in the original number, but they are in reverse order. The ten's place of the original number is equal to twice the difference between its digits. What is the number?
Three pipes, A, B, & C are attached to a tank. A & B can fill it in 20 & 30 minutes respectively while C can empty it in 15 minutes. If A, B & C are kept open successively for 1 minute each, how soon will the tank be filled?
How Can A Cake(circular) Be Cut Into 8 Pieces By Making Just 3 Cuts?
(7*7=49)(4*9=36)(3*6=18) (1*8=8)
(998-1)(998-2)(998-3).....(998-n)= ? when n>1000