Question

Q.7 Manju, Shekhar and Mayank are fast friends. On a holiday
Manju’s father gave him a piece of a work. He was just about to
start the work. Shekhar and Mayank reached his home. They
both helped Manoj to finish the work. Manoj did, Shekhar did
and Mayank did the remaining work.
a) What part of the work was done by Manoj and Shekhar together ?
Manoj’s work =
Shekhar’s work =
Total work by both = +
+
Q.6 Suman studies 5 hours daily. She devotes 2 of her time for
Science and Maths. How much time does she devote for other
subjects ?
Solution : Total study = 5 hrs. = hrs. for Maths and
Science = 2 hrs. = hrs. for other subjects ?
2
3
4
5
2
3
17
3
4
5
14
5
17 x 5
3 x 5 =
85
15
14 x 3
5 x 3 =
42
15
17
3
-
14
5
85
15
-
42
15 =
85-42
15 =
43
15
= 2 hrs. 13
15
2
15 43
30
13
1
3
1
3
2
5
2
5
1
3
2
5
1
3
2
5
1 x 5
3 x 5 =
5
15
2 x 3
5 x 3 =
6
15
5
15 +
6
15 =
11
15
3 3 5
5 4 5
1 1
3 x 5 = 15
3 3 5
5 1 5
1 1
3 x 5 = 15
b) What part of the work was done by Mayank ?
Suppose total work = 1
1
1
1
-
11
15
1 x 15
1 x 15 = =
15
15
11 x 1
15 x 1 =
11
15
15
15
11
15
- =
4
15
L.C.M. = 15
is work done by Mayank. 4
15
c) Manoj’s =
Shekhar’s =
Mayank =
Shekhar did the maximum part of a work.
d) Helping tendency is seen by Shekhar and Mayank.

Answer 1

Step-by-step explanation:

आई डोंट नो is my answer 33333

Answer 2

Answer:

wait wait, in first line you have written manju, then who the hell is manoj