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551.

a can complete the work in 3 days b can complete the same work in t days and both a and b can complete the same work together in 9/4 days find the value of t

Answer» a can complete the work in 3 days b can complete the same work in t days and both a and b can complete the same work together in 9/4 days find the value of t
552.

3 × 8 + (20 - 7)2

Answer»

3 × 8 + (20 - 7)2


553.

Each of the following questions is based on the following information:A % B means A is the son of B.A B means A is the sister of B.A $ B means A is the father of B.Q. From the following, select the option which shows the relation ‘V is the granddaughter of R’?निम्न प्रश्नों में से प्रत्येक निम्नलिखित जानकारी पर आधारित है:A % B का अर्थ है A,B का पुत्र है।A B का अर्थ है A,B की बहन है।A $ B का अर्थ है A,B का पिता है।Q. निम्नलिखित में से, उस विकल्प का चयन कीजिए, जो यह संबंध दर्शाता है 'V,R की पोती है'।

Answer»

Each of the following questions is based on the following information:

A % B means A is the son of B.

A B means A is the sister of B.

A $ B means A is the father of B.



Q. From the following, select the option which shows the relation ‘V is the granddaughter of R’?



निम्न प्रश्नों में से प्रत्येक निम्नलिखित जानकारी पर आधारित है:

A % B का अर्थ है A,B का पुत्र है।

A B का अर्थ है A,B की बहन है।

A $ B का अर्थ है A,B का पिता है।



Q. निम्नलिखित में से, उस विकल्प का चयन कीजिए, जो यह संबंध दर्शाता है 'V,R की पोती है'।

554.

(a+b)2 = _____.

Answer» (a+b)2 = _____.
555.

Find the digit at the tenths place in 123.456.

Answer»

Find the digit at the tenths place in 123.456.


556.

Find the LCM of 25, 50 and 100.

Answer» Find the LCM of 25, 50 and 100.
557.

Question 5 (c) Construct with ruler and compasses, angles of following measures: 90∘

Answer»

Question 5 (c)

Construct with ruler and compasses, angles of following measures:
90

558.

In the algebraic equation 3(x+3)=12, the value of the unknown is

Answer»

In the algebraic equation 3(x+3)=12, the value of the unknown is

559.

Question 85 A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

Answer»

Question 85

A metal pipe 3m long was found to weight 7.6kg. What would be the weight of the same kind of 7.8m long pipe?

560.

A local park is 32 m long and its width is half of the length. It has two right-triangular grass lawns with the following dimensions. The local gardener wanted to renovate the park so he hired some men. The men agreed to work on the grass lawn at Rs. 1.2 per sq metre and put new footpath at Rs. 0.80 per sq metre. What is the total cost the gardener will have to pay after the work is done?

Answer»

A local park is 32 m long and its width is half of the length. It has two right-triangular grass lawns with the following dimensions. The local gardener wanted to renovate the park so he hired some men. The men agreed to work on the grass lawn at Rs. 1.2 per sq metre and put new footpath at Rs. 0.80 per sq metre. What is the total cost the gardener will have to pay after the work is done?


561.

A boxing coach selected 26 students of age 10, 25 students of age 9, 20 students of age 13 and 5 students of age 15 for boxing training. He arranges the data in a tabular form asWhich of the following is incorrect about the unknown values in the above chart?

Answer»

A boxing coach selected 26 students of age 10, 25 students of age 9, 20 students of age 13 and 5 students of age 15 for boxing training. He arranges the data in a tabular form as





Which of the following is incorrect about the unknown values in the above chart?


562.

The cost of milk is ₹624 per month in a household. How much will the cost for 1 and half year?

Answer» The cost of milk is ₹624 per month in a household. How much will the cost for 1 and half year?
563.

The diagonal of a quadrilateral shaped field is 24m and the perpendiculars dropped on it from the remaining opposite vertices are 8m and 12m. Find the area of the field(in m2).

Answer» The diagonal of a quadrilateral shaped field is 24m and the perpendiculars dropped on it from the remaining opposite vertices are 8m and 12m. Find the area of the field(in m2).
564.

Let S = the set of points inside the square, T = the set of points inside the triangle and C = the set of points inside the circle. If the triangle and circle intersect each other and are contained in a square. Then,(a) S ∩ T ∩ C = ϕ(b) S ∪ T ∪ C = C(c) S ∪ T ∪ C = S(d) S ∪ T = S ∩ C

Answer» Let S = the set of points inside the square, T = the set of points inside the triangle and C = the set of points inside the circle. If the triangle and circle intersect each other and are contained in a square. Then,

(a) S ∩ T ∩ C = ϕ

(b) S ∪ T ∪ C = C

(c) S ∪ T ∪ C = S

(d) S ∪ T = S ∩ C
565.

What is relation beyween (a) and (r) in end centered cubic system?

Answer» What is relation beyween (a) and (r) in end centered cubic system?
566.

Round off 5492 to its nearest hundreds

Answer»

Round off 5492 to its nearest hundreds


567.

How many lines can be drawn passing through two given distinct points:

Answer» How many lines can be drawn passing through two given distinct points:
568.

Question 3 (b) Write down the measure of: Some obtuse angles

Answer»

Question 3 (b)

Write down the measure of:
Some obtuse angles

569.

A variable 't' has the following condition imposed on it. Let 't' be the time taken by the bus to cover a distance of 100 km and this distance is equal to five more than five times the time taken by the bus to travel the given distance. The value of the variable 't' which satisfies the following condition is:-

Answer»

A variable 't' has the following condition imposed on it. Let 't' be the time taken by the bus to cover a distance of 100 km and this distance is equal to five more than five times the time taken by the bus to travel the given distance. The value of the variable 't' which satisfies the following condition is:-



570.

Identify the edge of the cuboid.

Answer»

Identify the edge of the cuboid.

571.

निम्नलिखितप्रश्न का उत्तरदीजिए −'मनुष्यमात्र बंधु है'सेआप क्या समझतेहैं?स्पष्टकीजिए।

Answer»

निम्नलिखित
प्रश्न का उत्तर
दीजिए


'मनुष्य
मात्र बंधु है
'से
आप क्या समझते
हैं
?
स्पष्ट
कीजिए।

572.

Question 55State whether the following statement is True or False.A cuboid has atleast 4 diagonals.

Answer» Question 55



State whether the following statement is True or False.



A cuboid has atleast 4 diagonals.
573.

Write fraction as decimals A) 38/8 B) 2/11/5 C) 7 /9/40

Answer»

Write fraction as decimals

A) 38/8

B) 2/11/5

C) 7 /9/40

574.

Three rays originates from a point as shown. ∠AOB is 60∘ and ∠AOC is 15∘. Find ∠BOC.

Answer»

Three rays originates from a point as shown. AOB is 60 and AOC is 15. Find BOC.




575.

The product of two fractions is 18. If one of the fractions is 41, then the other fraction is ___.

Answer»

The product of two fractions is 18. If one of the fractions is 41, then the other fraction is ___.

576.

5x555 a multiple of 9 ?

Answer»

5x555 a multiple of 9 ?

577.

Arrange the following lengths in their increasing order. 1 meter, 1 centimeter, 1 kilometer, 1 millimeter

Answer»

Arrange the following lengths in their increasing order.



1 meter, 1 centimeter, 1 kilometer, 1 millimeter



578.

The number of students who have played various sports is shown in the table below.SportCricketTennisChessFootballNo. of Students 5 10 20 15Which of the following is the correct bar graph to represent the data above?

Answer»

The number of students who have played various sports is shown in the table below.


















SportCricketTennisChessFootball
No. of Students 5 10 20 15



Which of the following is the correct bar graph to represent the data above?
579.

Two numbers are in the ratio 2:3 and their sum is less than 15. Select the pair satisfying the above conditions.

Answer»

Two numbers are in the ratio 2:3 and their sum is less than 15. Select the pair satisfying the above conditions.

580.

Multiply the binomials:(2.5l - 0.5m) and (2.5l + 0.5m)

Answer» Multiply the binomials:

(2.5l - 0.5m) and (2.5l + 0.5m)
581.

Kimmy went to play with her friends. If Kimmy rolls a die, say 13 times, her score will be the addition of all the numbers appearing on the die each time. Kimmy got 'a' 2 times, 'b' 5 times and 'd' 6 times. What is the total score of Kimmy?

Answer»

Kimmy went to play with her friends. If Kimmy rolls a die, say 13 times, her score will be the addition of all the numbers appearing on the die each time. Kimmy got 'a' 2 times, 'b' 5 times and 'd' 6 times. What is the total score of Kimmy?


582.

Calculate the difference between the longest and the shortest jump.

Answer» Calculate the difference between the longest and the shortest jump.


583.

Match the items in column 1 with the items in column 2:Column 1Column 2(i)35(a)Multiple of 8(ii)15(b)Multiple of 7(iii)16(c)Multiple of 70(iv)20(d)Factor of 30(v)25(e)Factor of 50(f)Factor of 20

Answer»

Match the items in column 1 with the items in column 2:

Column 1Column 2(i)35(a)Multiple of 8(ii)15(b)Multiple of 7(iii)16(c)Multiple of 70(iv)20(d)Factor of 30(v)25(e)Factor of 50(f)Factor of 20



584.

संदेश ग्रहण करने और भेजने में असमर्थ होने पर एक अनपढ़ लड़की को किस वेदना और विपत्ति को भोगना पड़ता है- अपनी कल्पना से लिखिए?

Answer» संदेश ग्रहण करने और भेजने में असमर्थ होने पर एक अनपढ़ लड़की को किस वेदना और विपत्ति को भोगना पड़ता है- अपनी कल्पना से लिखिए?
585.

How many lines does an equilateral triangle have and how many lines does an isosceles triangle have?

Answer» How many lines does an equilateral triangle have and how many lines does an isosceles triangle have?
586.

By selling 144 eggs, Anuj lost the S.P. of 6 eggs. Find his loss percent.

Answer» By selling 144 eggs, Anuj lost the S.P. of 6 eggs. Find his loss percent.
587.

In the expression 3x4+4y2+7, how many terms are there?

Answer» In the expression 3x4+4y2+7, how many terms are there?
588.

There are total 31 seats in the last row of the auditorium in Sam's school. If Sam was asked to sit at such a position that he should occupy the median position, then which seat he should sit at?

Answer»

There are total 31 seats in the last row of the auditorium in Sam's school. If Sam was asked to sit at such a position that he should occupy the median position, then which seat he should sit at?

589.

Find the missing number x in the following pattern. 3, 9, ?, 81.27

Answer» Find the missing number x in the following pattern. 3, 9, ?, 81.
  1. 27
590.

The value of 6 + (−3) is

Answer» The value of 6 + (3) is
591.

120 40 60 100 220 700- (2) 2200(3) 1220(4) 3100(5) 1680(1) 2620

Answer» 120 40 60 100 220 700- (2) 2200(3) 1220(4) 3100(5) 1680(1) 2620
592.

27.In YDSE, d = 2 mm, D = 2 m & λ = 500 nm. If intensity of two slits are Io & 9 Io, then find intensity at y = 1/6 mm. 1) 7 Io 2) 10 Io 3) 16 Io 4) 4 Io

Answer» 27.In YDSE, d = 2 mm, D = 2 m & λ = 500 nm. If intensity of two slits are Io & 9 Io, then find intensity at y = 1/6 mm. 1) 7 Io 2) 10 Io 3) 16 Io 4) 4 Io
593.

(x2)12×x3=________.

Answer» (x2)12×x3=________.
594.

In a quiz, team A scored -40, 10, 0 and team B scored 10, 0, -40 in three successive rounds.(i) Which team scored more?(ii) Can we say that we can add integers in any order?

Answer» In a quiz, team A scored -40, 10, 0 and team B scored 10, 0, -40 in three successive rounds.

(i) Which team scored more?

(ii) Can we say that we can add integers in any order?
595.

Question 38. 6714−2414= ____

Answer»

Question 38.

67142414= ____

596.

Which figure shows −−→RS?

Answer»

Which figure shows RS?

597.

Find three consecutive natural numbers such that the sum of the first and second is 15 more than the third.

Answer» Find three consecutive natural numbers such that the sum of the first and second is 15 more than the third.
598.

Directions:- Study the following information carefully to answer the question given below. Seven friends T, U, V, W, X, Y and Z are sitting in a straight line facing north. W sits fifth to the right of T. W does not sit at any of the extreme ends. Two people sit between Z and X. Y sits third to the left of U. Y sits exactly in the middle. Z is not an immediate neighbour of Y. If all the seven friends are made to sit alphabetically from right to left positions of how many will remain unchanged?

Answer»

Directions:- Study the following information carefully to answer the question given below.

Seven friends T, U, V, W, X, Y and Z are sitting in a straight line facing north. W sits fifth to the right of T. W does not sit at any of the extreme ends. Two people sit between Z and X. Y sits third to the left of U. Y sits exactly in the middle. Z is not an immediate neighbour of Y.

If all the seven friends are made to sit alphabetically from right to left positions of how many will remain unchanged?


599.

Question 3Which of the following is a regular polyhedron?(a) Cuboid(b) Triangular prism(c) Cube(d) Square prism

Answer» Question 3



Which of the following is a regular polyhedron?

(a) Cuboid

(b) Triangular prism

(c) Cube

(d) Square prism
600.

The age of 15 students in a class is given below:10, 11, 12, 10, 10, 12, 13, 13, 11, 10, 12, 11, 12, 13, 10Find the frequency of age 13.

Answer»

The age of 15 students in a class is given below:


10, 11, 12, 10, 10, 12, 13, 13, 11, 10, 12, 11, 12, 13, 10


Find the frequency of age 13.