1
GATE ECE 2010
+2
-0.6
Hari (H), Gita (G), Irfan (I) and Saira (S) are siblings (i.e. brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following facts:

i. Hari’s age + Gita’s age > Irfan’s age + Saira’s age.

ii. The age difference between Gita and Saira is 1 year. However, Gita is not the oldest and Saira is not the youngest.

iii. There are not twins.

In what order were they born (Oldest first)?
A
HSIG
B
SGHI
C
IGSH
D
IHSG
2
GATE ECE 2010
+2
-0.6
If 137+276=435 how much is 731+672?
A
534
B
1403
C
1623
D
1513
3
GATE ECE 2010
+2
-0.6
5 skilled workers can build a wall in 20 days; 8 semi-skilled workers can build a wall in 25 days; 10 unskilled workers can build a wall in 30 days. If a team has 2 skilled, 6 semi-skilled and 5 unskilled workers, how long will it take to build the wall?
A
20 days
B
18 days
C
16 days
D
15 days
4
GATE ECE 2010
+2
-0.6
Given digits 2,2,3,3,3,4,4,4,4 how many distinct 4 digit numbers greater than 3000 can be formed?
A
50
B
51
C
52
D
54
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