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The number that is obtained after increasing 70 by 30 % is:

Without actually calculating the cubes,find the value of ​​​​​​(-1)3+ (-2)3+(-3)3+(-4)3+2(5)3.

Question 55(iii) Study the graph given below of a person who started from his home and returned at the end of the day. Answer the questions that follow. What was he doing from 3 PM to 5 PM?

In △ABC, AB=AC and ∠B=40∘. What type of triangle is this ?

Find CI on a sum of Rs. 8000 for 2 years at 5% per annum compounded annually.

Question 1(ii) The following graph shows the temperature of a patient in a hospital, recorded every hour When was the patient’s temperature 38.5∘ C?

If x2=ky2, where x and y are whole numbers, then which of the following is always true?

Which of the following is an irrational number?

Neha types 75 pages in 14 hours. How many pages will she type in 20 hours?

1) define class marks . find the class mark of the class intervel 25 - 30. 2) thwe hights(in cm ) of 20 students were recorded as given 133 130 130 135 136 126 128 143 142 135 132 126 130 135 125 134 136 142

Domain of definition of the function f(x)=√sin−1(2x)+π6 for real valued x, is

What was the approximate percentage decrease in the number of cars of basic model produced by company B in the year 2009 as compared to the previous year?

State the type of the underlined verb. You shouldn’t have gone yesterday.

A wanter tanker is 15 cm long , 20 cm wide and 10 cm high. The tanker is half filled with water . Find the volume of water in the tanker.

Divide z(5z2−80) by 5z(z+4).

11 men can dig 634 m long trench in one day. How many men should be employed for digging 27 m long trench of the same type in one day ?

Factorise : (a2−b2) c+(b2−c2)a

After allowing a discount of 712% on the marked price, an article is sold for Rs. 555. Find its marked price.

Find the MP, ifSP=Rs. 495 and Discount %=1%

What is the profit percentage acquired when the cost price is ₹ 200 and selling price is ₹ 350?

Simplify (1+√31−√3)+(1−√31+√3)

Simplify (x)(2x+3y−4z).

Question 83 (xxi) Multiply the following: (3x2+4x−8),(2x2−4x+3)

David cuts a cake into two equal halves. He cuts one half into smaller pieces of equal size. Each of these small piece weighs twenty grams. If he has seven pieces in all, how heavy is the original cake?

Two coins are tossed together. Find the probability of getting: (i) exactly one tail (ii) at least one head (iii) no head (iv) at most one head

In the figure given, what are the values of b, c, and a respectively?

Factorise: p2+6p+8

Compute the value of 242+202

The shopping mall is 65 km away from your home. The first stop is taken at 26 km from your home going towards the mall. What percentage of the distance is remaining to reach the destination?

(x-1/2)*1/2=3/8 x/2*1/2=3/8 x/4=3/8 x=3/2 x=1.5 Why is this not correct?

Find the least number that must be subtracted from 2433 so that the resultant is a perfect square.

What are algebraic factors ?

What are perfect squares?

-6a+2a=-35

If square of x end in 9 then which digit does cube of x ends in

In a deck of 52 cards, what is the probability of getting (i) an even number card (ii) black ace card.

Question 1(ix) Use a suitable identity to get each of the following products: (x2+3y4)(x2+3y4)

from a ribbon which is 22m long, two piece of length 26/5m and 32/10m are cut off. what is the length of the remaining ribbon?

Sum of the digits of a two-digit number is 8. The digit in tens place is thrice the digit in unit place. Find the number.62

Write the number of digits in cube root of the following cubes 491169069

Queston 4(iii) The following graph shows the temperature forecast and the actual temperature for each day of a week. What was the minimum actual temperature during the week?

Find the number of line symmetry in the following figure.

Question 10 0.25(4f−3)=0.05(10f−9)

Question 1(iii) A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie chart shows the findings of this survey. From this pie chart, answer the following: If a cassette company were to make 1000 CDs, how many of each type would be they make?

The highest index of the variable x occurring in the polynomial f(x)=a0xn+a1xn−1+a2xn−2+........an−1x+an​ is called ___________.

Determine the value of y in the given figure.

In the number 237__ fill in the blank in such a way so that the new number obtained is exactly divisible by 9.

An unbiased die is tossed. What is the probability of getting a multiple of 3?

Find: 782 - 122

The area of a rectangular field is 48 m2 and one of its sides is 6 m. Then the lady takes ___ sec to cross the field diagonally at the rate of 20 m/minute.

Without actually calculating the cubes,find the value of (-1)3+ (-2)3+(-3)3+(-4)3+2(5)3.

(x-1/2)1/2=3/8 x/21/2=3/8 x/4=3/8 x=3/2 x=1.5 Why is this not correct?

The highest index of the variable x occurring in the polynomial f(x)=a0xn+a1xn−1+a2xn−2+........an−1x+an is called ___________.