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KHAJA ACADEMY MATHEMATICA
Приєднався 2 лис 2011
Simplify: x^3 y^4×x^5 y^3 and (3p^2 m^5 )^3
Simplify: x^3 y^4×x^5 y^3 and (3p^2 m^5 )^3
Переглядів: 21
Відео
Find the missing frequencies f1, f2 and f3 in the following frequency distribution, f2 : f3 = 4:3
Переглядів 2220 годин тому
Find the missing frequencies f1, f2 and f3 in the following frequency distribution, given f2 : f3 = 4:3 and mean is 50. Total frequency is 120.
Find the sum of first 20 terms of the following AP 1, 4, 7, 10, …..
Переглядів 5716 годин тому
Find the sum of first 20 terms of the following AP 1, 4, 7, 10, …..
In an AP if the sum of third and seventh terms is zero. Find its 5th term.
Переглядів 5016 годин тому
In an AP if the sum of third and seventh terms is zero. Find its 5th term.
The sum of the first 7 terms of an A.P. is 63 and that of its next 7 terms is 161. Find the A.P.
Переглядів 5816 годин тому
The sum of the first 7 terms of an A.P. is 63 and that of its next 7 terms is 161. Find the A.P.
Taxi charges in a city consist of fixed charges and the remaining depending upon the distance
Переглядів 8314 днів тому
Taxi charges in a city consist of fixed charges and the remaining depending upon the distance travelled in kilometres. If a person travels 60 km, he pays 4 960, and for travelling 80 km, he pays ₹ 1260. Find the fixed charges and the rate per kilometre.
The coach of a cricket team buys 7 bats and 6 balls for ₹ 13200. Later, he buys 3 bats and 5 balls
Переглядів 7414 днів тому
The coach of a cricket team buys 7 bats and 6 balls for ₹ 13200. Later, he buys 3 bats and 5 balls for ₹ 5900. Find the cost of each bat and each ball.
A part of monthly hostel charges in a school is fixed and the remaining depends on the number
Переглядів 6114 днів тому
A part of monthly hostel charges in a school is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 22 days, he has to pay ₹4250 as hostel charges, whereas a student B, who takes food for 28 days, pays ₹5150 as hostel charges. Find the fixed charges and the cost of food per day.
The monthly incomes of A and B are in the ratio 8:7 and their expenditures are in the ratio 19:16.
Переглядів 7714 днів тому
The monthly incomes of A and B are in the ratio 8:7 and their expenditures are in the ratio 19:16. If each saves ₹ 5000 per month, find the monthly income of each.
Show that (√3+√27)/√2 can be expressed in the form √k where k is an integer. State the value of k.
Переглядів 7714 днів тому
Show that (√3 √27)/√2 can be expressed in the form √k where k is an integer. State the value of k.
The sum of two numbers is 1000 and the difference between their squares is 256000. Find the numbers.
Переглядів 8414 днів тому
The sum of two numbers is 1000 and the difference between their squares is 256000. Find the numbers.
In the figure, ABCDE is a pentagon with BE| |CD and BC||DE. BC perpendicular to CD. AE = AB = 5
Переглядів 8214 днів тому
In the figure, ABCDE is a pentagon with BE| |CD and BC||DE. BC is perpendicular to CD. AE = AB = 5 cm, BE = 7 cm, BC = x - y and CD = x y. If the perimeter of ABCDE is 27 cm. find the value of x and y, given x, y ≠ 0.
If 49x + 51y = 499, 51x + 49y = 501, then find the value of x and y
Переглядів 7414 днів тому
If 49x 51y = 499, 51x 49y = 501, then find the value of x and y
Anuj had some chocolates, and he divided them into two lots A and B. He sold the first lot
Переглядів 6614 днів тому
Anuj had some chocolates, and he divided them into two lots A and B. He sold the first lot
Write the following in the form a+b√c where c is an integer and a and b are rational numbers:
Переглядів 6521 день тому
Write the following in the form a b√c where c is an integer and a and b are rational numbers:
A = {x: x is a factor of 8}, B = {x: x is a factor of 36}. Is A subset B? Justify.
Переглядів 6221 день тому
A = {x: x is a factor of 8}, B = {x: x is a factor of 36}. Is A subset B? Justify.
Prove that the nth term of an AP can not be n^2+1 . Justify your answer.
Переглядів 13021 день тому
Prove that the nth term of an AP can not be n^2 1 . Justify your answer.
The first term of an AP is 3, the last term is 83 and the sum of all its terms is 903.
Переглядів 7721 день тому
The first term of an AP is 3, the last term is 83 and the sum of all its terms is 903.
If the 10th term of an AP is 52 and the 17th term is 20 more than the 13th term, find AP
Переглядів 5921 день тому
If the 10th term of an AP is 52 and the 17th term is 20 more than the 13th term, find AP
If the sum of the first 14 terms of an AP is 1050 and its first term is 10 find its 20th term.
Переглядів 6121 день тому
If the sum of the first 14 terms of an AP is 1050 and its first term is 10 find its 20th term.
For what value of k; 2k + 1, 3k + 3, 5k − 1 are three consecutive terms of an AP
Переглядів 7721 день тому
For what value of k; 2k 1, 3k 3, 5k − 1 are three consecutive terms of an AP
For what value of k; k + 9, 2k - 1, 2k + 7 are three consecutive terms of an AP.
Переглядів 6021 день тому
For what value of k; k 9, 2k - 1, 2k 7 are three consecutive terms of an AP.
For what value of k; k + 2, 4k - 6, 3k - 2 are three consecutive terms of an AP.
Переглядів 6121 день тому
For what value of k; k 2, 4k - 6, 3k - 2 are three consecutive terms of an AP.
In figure, AT is a tangent to the circle with centre O such that cm OT = 4 cm and ∠OTA = 30°.
Переглядів 6521 день тому
In figure, AT is a tangent to the circle with centre O such that cm OT = 4 cm and ∠OTA = 30°.
Find the values of a and b, if they are the zeroes of polynomial x^2+ax+b
Переглядів 8728 днів тому
Find the values of a and b, if they are the zeroes of polynomial x^2 ax b