(i) One hundred thousand =________
(a) One crore
(b) One lakh
(c) One thousand
Ans: (b)
One hundred thousand is equal to "One lakh." In the Indian numbering system, "lakh" represents 100,000.
(ii) What is the shape of a brick?
(a) Sphere
(b) Cuboid
(c) Cone
Ans: (b)
The shape of a brick is a "cuboid," which is like a rectangular box with six faces, all right angles.
(iii) Write the numeral 6 lakh 8 hundreds 5 ones?
(a) 600805
(b) 608005
(c) 600085
Ans: (a)
The numeral 6 lakh 8 hundreds 5 ones is written as "600805."
(iv) How many zeroes are there in one lakh?
(a) 4
(b) 5
(c) 6
Ans: (b)
There are "5" zeroes in one lakh. It's written as 100,000.
(v) A brick has _______ edges
(a) 6
(b) 8
(c) 12
Ans: (c)
A brick has "12" edges. It has eight corners or vertices, and each vertex connects to three edges.
(i) The price of one thousand new bricks from Brickabad is RS 2000. Find the cost of 3000 such bricks?
Ans: Cost of 1000 bricks = 2000
Cost of 3000 bricks = 2000 x 3 = 6000 rupees
(ii) If the cost of 50 kg rice is Rs 1600. Find the cost of 1 kg of rice?
Ans: Cost of 50 kg rice = 1600 rupees
Cost of 1 kg of rice = 1600/50 = 32 rupees
(iii) Write the number of faces, edges and vertices of a brick?
Ans: Number of faces = 6
Number of edges = 12
Number of vertices = 8
(iv) The price of one thousand old bricks is Rs 1200. Find the cost of 500 old bricks?
Ans: Cost of 1000 old bricks = 1200
Cost of 500 old bricks = 1200/2 = 600
(v) If the cost of one hundred packets of cement is Rs 42000. Find the cost of 500 such packets?
Ans: Cost of 100 packets of cement = 42000 rupees
Cost of 500 such packets = 42000 x 5 = 210000 rupees.
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