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karansingh

Asked: January 19, 2023In: CBSE

Speed of a boat in still water is 15 km/h. It goes 30 km upstream and returns back at the same point in 4 hours 30 minutes. Find the speed of the stream.

important 5 mark board question

karansingh

Asked: January 19, 2023In: CBSE

Find the values of k for which the pair of linear equations kx + 3y = k-2 and 12x + ky = k has no solution.

it is important board question

karansingh

Asked: January 19, 2023In: CBSE

. Solve for x and y: 0.4x-1.5y = 6.5, 0.3x-0.2y=0.9.

which method should we use to solve this. its from R.D sharma

karansingh

Asked: January 19, 2023In: CBSE

Solve graphically the system of linear equations 4x-5y +16=0 and 2x+y-6 = 0. Determine the vertices of the triangle formed by these lines and the x-axis.

I cant make the graph for this. please show steps to make graph its important 3 mark question for boards

karansingh

Asked: January 17, 2023In: CBSE

If the remainder on division of x3 + 2×2 + kx +3 by x – 3 is 21, find the quotient and the value of k. Hence, find the zeroes of the cubic polynomial x3 + 2×2 + kx – 18.

This question is very tricky. its an important 5 mark question for boards exam

karansingh

Asked: January 17, 2023In: CBSE

Given that x – √5 is a factor of the polynomial x3 – 3√5×2 – 5x + 15√5, find all the zeroes of the polynomial.

This question came in 2019 class 10 boards. i cannot solve it for some time please help.

karansingh

Asked: January 17, 2023In: CBSE

What should be subtracted from the polynomial of p(x)= x²-3ax + 3a- 7 so that, (x + 2) is a factor of the polynomial p(x) and hence also find the value of a

this question is very important from class 10 boards perspective. kindly help with this

SanuByahutNewbie

Asked: December 4, 2022In: CBSE

50 circular plates each of diameter 14 cm and thickness 0.5 cm are placed one above the other to form a right circular cylinder. Find its total surface area.

Very important question of mensuration including very important concept of it. need solution! Rd sharma class 10 maths exercise-16.1 mensurationRead more

SanuByahutNewbie

Asked: November 28, 2022In: CBSE

A spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of the two of the balls are 2 cm and 1.5 cm respectively. Determine the diameter of the third ball?

Please some help me with the solution. This question is from maths class 10 rd sharma, chapter 16, exercise 16.1 ; ...Read more

PayalAroraNewbie

Asked: November 26, 2022In: CBSE

How many balls, each of radius 1 cm, can be made from a solid sphere of lead of radius 8 cm?

I am doing this question of mensuration which is very important for class 10 cbse board exam. In this question ...Read more

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